School of Medicine


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  • Cholawat Pacharinsak, DVM, PhD

    Cholawat Pacharinsak, DVM, PhD

    Assistant Professor of Comparative Medicine at the Stanford University Medical Center

    Bio Cholawat Pacharinsak, DVM, PhD Assistant Professor and Director of Anesthesia, Pain Management, and Surgery, at Stanford University’s Department of Comparative Medicine; he is a Diplomate of the American College of Veterinary Anesthesia and Analgesia (DACVAA). He received his DVM from Chulalongkorn University, Thailand and trained in an Anesthesiology/Pain Management residency program and received his Master's degree at Washington State University. He completed his PhD in Comparative and Molecular Biosciences from the University of Minnesota. Prior to arriving at Stanford, Dr. Pacharinsak was a faculty member in Anesthesiology and Pain Management at Michigan State University and Purdue University; and served as a Clinical Specialist at UCLA’s David Geffen School of Medicine. His research focuses on understanding the neurobiology of cancer pain, chemotherapeutic-induced peripheral neuropathy, acute surgical pain models, and methods to improve clinical pain management e.g. sustained release analgesics supporting refinement. Research methodology includes electrophysiologic and behavioral techniques.

  • Ryan Christopher Padrez

    Ryan Christopher Padrez

    Clinical Assistant Professor, Pediatrics - General Pediatrics

    Bio Ryan is a pediatrician and Assistant Clinical Professor of Pediatrics at Stanford University's Division of General Pediatrics. His primary clinical practice is at Gardner Packard Children's Health Center. In addition to his work at Stanford, Ryan also serves as the Medical Director for The Primary School, a new integrated health and education model that serves low income children and families in East Palo Alto, CA. His work and leadership focuses on the intersection and reform of primary pediatric care and childhood education. He works to integrate systems and promote models that ensure high quality care is accessible to all children.

    Ryan graduated from Stanford University with a BA in Human Biology and earned his MD at University of California, San Francisco (UCSF). He completed his pediatric residency at UCSF and participated in UCSF's Pediatric Leadership for the Underserved (PLUS) program. He went on to complete a chief resident year at The San Francisco General Hospital and Trauma Center.

  • Natalie Pageler

    Natalie Pageler

    Clinical Professor, Pediatrics - Critical Care

    Current Research and Scholarly Interests In my administrative role, I oversee the development and maintenance of clinical decision support tools within the electronic medical record. These clinical decision support tools are designed to enhance patient safety, efficiency, and quality of care. My research focuses on rigorously evaluating--1) how these tools affect clinician knowledge, attitudes, and behaviors; and 2) how these tools affect clinical outcomes and efficiency of health care delivery.

  • David T. Paik

    David T. Paik

    Instructor, Cardiovascular Institute

    Bio Dr. David Paik is instructor working with Dr. Joseph Wu at Stanford Cardiovascular Institute. At Stanford, his focus is to utilize single-cell RNA-sequencing technology to elucidate patient-specific mechanisms of various cardiovascular diseases, characterize embryonic heart development, and optimize differentiation of iPSCs to subtypes of cardiovascular cells. Dr. Paik received his BA in Biochemistry and Molecular Biology at Boston University (2010) and PhD in Cell and Developmental Biology at Vanderbilt University (2015). At Vanderbilt, Dr. Paik investigated the endogenous cardiac repair mechanisms in the adult heart following ischemic injury such as myocardial infarction, with focus on the role of Wnt signaling pathway on coronary vessel formation and plasticity of endothelial cells during cardiac tissue repair. During his PhD training, Dr. Paik completed HHMI/VUMC Certificate Program in Molecular Medicine, where he was supervised by his clinical mentor Dr. Douglas Sawyer to interact with congestive heart failure patients and to bridge clinical sciences with basic and translational cardiovascular research. Dr. Paik is currently supported by the NIH NHLBI K99/R00 Pathway to Independence Award.

  • Marlen Pajcini

    Marlen Pajcini

    Clinical Instructor, Radiology

    Bio Dr. Pajcini studied Molecular and Cell Biology as an undergraduate at U.C. Berkeley. He received his medical degree from Loma Linda University School of Medicine. He completed Diagnostic Radiology residency at Santa Clara Valley Medical Center and a Breast Imaging fellowship at Stanford University School of Medicine. His clinical focus is on breast cancer screening, diagnosis, and treatment.

  • Neda Pakdaman

    Neda Pakdaman

    Adjunct Clinical Assistant Professor, Medicine - Primary Care and Population Health

    Bio Dr. Pakdaman practices Internal Medicine in Silicon Valley. She received her medical education at Yale University School of Medicine where she earned the Janet M. Glasgow Memorial Achievement Award for Women in Medicine. She completed her residency in Internal Medicine at Stanford University Hospital and was nominated for the Alwin Rambar-James Mark Award for Excellence in Patient Care.

    Dr. Pakdaman has been involved in developing innovative models for patient centered practice delivery. She has extensive background in Concierge Medicine as well as Executive Medicine. In addition, prior to coming to Stanford, she helped initiate and served as medical director for the Palliative Care inpatient consult service at El Camino Hospital. During that time, she served as chair of the El Camino Hospital Ethics Committee and as an advisory member for the Genomics Medicine Institute at El Camino Hospital. Drawing from her experiences working in both executive health programs and retainer based practices, she joined Stanford in 2012 to help launch Stanford Concierge Medicine. She subsequently served as the Medical Director of Stanford Concierge Medicine and Stanford Executive Health for five years where she helped pilot aspects of Stanford Precision Health platform.

    Dr. Pakdaman's clinical focus is adult primary care with health promotion and disease prevention/management.

    Board Certified Internal Medicine 2003, 2013
    Board Certified Hospice and Palliative Medicine 2008, 2018

  • Julia Palacios

    Julia Palacios

    Assistant Professor of Statistics and of Biomedical Data Science

    Bio Dr. Palacios seek to provide statistically rigorous answers to concrete, data driven questions in evolutionary genetics and public health . My research involves probabilistic modeling of evolutionary forces and the development of computationally tractable methods that are applicable to big data problems. Past and current research relies heavily on the theory of stochastic processes, Bayesian nonparametrics and recent developments in machine learning and statistical theory for big data.

  • Latha Palaniappan, MD, MS

    Latha Palaniappan, MD, MS

    Professor of Medicine (Primary Care and Population Health) and, by courtesy, of Epidemiology and Population Health at the Stanford University Medical Center

    Current Research and Scholarly Interests Dr. Palaniappan has published over 200 peer reviewed manuscripts, abstracts, and book chapters over the last 20 years in the areas of chronic disease prevention and treatment in diverse populations. She has expertise in epidemiological research using big data, use of electronic health records for research, and clinical trials.

  • Daniel Palanker, PhD

    Daniel Palanker, PhD

    Director of HEPL, Professor of Ophthalmology and, by courtesy, of Electrical Engineering

    Current Research and Scholarly Interests Interactions of electric field and light with biological cells and tissues and their applications to imaging, diagnostics, therapeutics and prosthetics, primarily in ophthalmology.
    Specific fields of interest:
    Electronic retinal prosthesis;
    Electronic enhancement of tear secretion;
    Electronic control of blood vessels;
    Non-damaging retinal laser therapy;
    Ultrafast laser surgery;
    Interferometric imaging of neural signals;
    Cell transplantation and retinal plasticity.

  • Oxana Palesh

    Oxana Palesh

    Associate Professor of Psychiatry and Behavioral Sciences (Public Mental Health and Population Sciences) at the Stanford University Medical Center

    Current Research and Scholarly Interests Research focused on developing interventions for management of side effects of cancer treatments (e.g., sleep disturbance, fatigue, depression, anxiety).

  • Jonathan P. Palma

    Jonathan P. Palma

    Clinical Professor, Medicine - Biomedical Informatics Research

    Current Research and Scholarly Interests Interventional informatics to achieve examples of a learning healthcare system; optimization of commercial EMRs to support complex clinical workflows in newborn intensive care; clinical decision support; real-time clinical dashboards; electronic sign-out tools; IT-supported patient/family communication.

  • Theo Palmer

    Theo Palmer

    Professor of Neurosurgery

    Current Research and Scholarly Interests Members of the Palmer Lab study the biology of neural stem cells in brain development and in the adult. Our primary goal is to understand how genes and environment synergize in influencing stem cell behavior during development and how mild genetic or environmental risk factors for disease may synergize in their detrimental effects on brain development or in the risk of neuronal loss in age-related degenerative disease.

  • Carolyn Pan, MD

    Carolyn Pan, MD

    Clinical Associate Professor, Ophthalmology

    Bio Dr. Pan is a board-certified ophthalmologist and fellowship-trained vitreoretinal surgeon. She focuses on retinal vascular diseases, macular degeneration, and surgical repair of retinal detachments, macular pathology, and complications from cataract surgery. She has co-authored peer-reviweed articles on topics ranging from optical coherence tomography imaging to embryonic stem cells for macular degeneration.

    In addition to her clinical practice, she is dedicated to the education and training of medical students, residents, and fellows. As recognition of her efforts, she received the Faculty Teaching Award in 2016 from the Byers Eye Institute at Stanford University.

    Dr. Pan's clinical practice is mainly based at Santa Clara Valley Medical Center, where she serves as chief of the retina service.

  • Julie Pantaleoni

    Julie Pantaleoni

    Clinical Assistant Professor, Pediatrics

    Bio Dr. Pantaleoni is a Clinical Assistant Professor of Pediatrics in the division of Pediatric Hospital Medicine. She devotes her clinical time as a General Pediatric Hospitalist to the care of hospitaized children and their families at both Lucile Packard Children's Hospital and El Camino Hospital, in the Packard El Camino unit (PEC). She is also an Educator 4 CARE (E4C) at Stanford University School of Medicine and greatly enjoys fostering clinical skill development and professional identity formation with the Stanford medical students. Her scholarly interests surround undergraduate medical education, humanism in medicine and physician wellness.

  • Alan C. Pao

    Alan C. Pao

    Assistant Professor of Medicine (Nephrology) and, by courtesy, of Urology at the Palo Alto Veterans Affairs Health Care System

    Current Research and Scholarly Interests We are interested in how the kidneys control salt, water, and electrolyte homeostasis in the body. We use cultured kidney cells, transgenic mice, and human samples to study hormonal and signal transduction pathways that control epithelial ion transport. Clinical implications of our work include a better understanding of the pathogenesis of salt-sensitive hypertension and kidney stone formation and growth.

  • Pablo Paredes Castro

    Pablo Paredes Castro

    Clinical Assistant Professor, Psychiatry and Behavioral Sciences

    Current Research and Scholarly Interests PRECISE, PERSONALIZED & AFFORDABLE WELLBEING TECHNOLOGY

    Combining medicine, design, and engineering principles, we research novel technologies to keep people healthy and productive. Our goal is to discover revolutionary ways of broadly delivering both universal and selective, preventive, and self-sustaining, daily life interventions.

  • Peter Parham

    Peter Parham

    Professor of Structural Biology and of Microbiology and Immunology

    Current Research and Scholarly Interests The Parham laboratory investigates the biology, genetics, and evolution of MHC class I molecules and NK cell receptors.

  • Victoria Parikh

    Victoria Parikh

    Assistant Professor of Medicine (Cardiovascular Medicine) at the Stanford University Medical Center

    Bio Dr. Parikh is cardiologist specializing in the care of patients with inherited cardiovascular diseases. She completed clinical cardiology fellowship at Stanford School of Medicine and her medical residency at the University of California, San Francisco. Funded by research grant from the NIH, she currently studies multiple causes of cardiomyopathy in the laboratory. She has a particular clinical and scientific interest in inherited arrhythmogenic cardiomyopathies, which are an increasingly recognized disease entity. Dr. Parikh is currently using patient cohort genetics, high throughput molecular biology and human induced pluripotent stem cell derived cardiomyocytes to study variant pathogenicity in this disease.

  • Jon Park, MD, FRCSC

    Jon Park, MD, FRCSC

    Saunders Family Professor

    Current Research and Scholarly Interests Non-fusion dynamic spinal stabilization, artificial disc technologies, and regenerative spinal technologies.

  • Lesley Park

    Lesley Park

    Instructor, Epidemiology and Population Health

    Bio Stanford Center for Population Health Sciences (PHS)
    Associate Director, Education (2019-present)
    Director, PHS Postdoctoral Fellowship (2018-present)
    Associate Director, Research and Data Strategy (2016-2019)

    Veterans Aging Cohort Study (VACS)
    Cancer Core Co-Director (2016-present)

    Dr. Lesley Park is one of the leaders of the Stanford Center for Population Health Sciences and the VACS Cancer Core. PHS aims to provide a central hub where researchers can efficiently access, link, visualize, and analyze data from a wide variety of sources to ultimately facilitate transdisciplinary population health science research. Within the VACS, Dr. Park oversees cancer outcomes research in persons living with HIV/AIDS (PLWHA). Her research experience has focused on the intersection of cancer and HIV, examining epidemiologic methods for cancer research, cancer incidence trends, and cancer (particularly hepatocellular carcinoma) prevention in PLWHA. Dr. Park is an experienced epidemiologist, skilled in observational research, survival analysis, and SAS programming. Her prior experience includes research at the Yale School of Medicine and at the Center for Biostatistics in AIDS Research (CBAR) at the Harvard School of Public Health.

  • Walter Park

    Walter Park

    Associate Professor of Medicine (Gastroenterology and Hepatology) at the Stanford University Medical Center

    Current Research and Scholarly Interests Dr. Park's research interests are in the diagnosis and management of pancreatic cysts, acute and chronic pancreatitis. His approach incorporates methods in health services research including the use of observational datasets, cost-effectiveness studies, and the development of clinical cohorts.

  • Karen J. Parker, PhD

    Karen J. Parker, PhD

    Associate Professor of Psychiatry and Behavioral Sciences (Major Laboratories and Clinical Translational Neurosciences Incubator)

    Current Research and Scholarly Interests The Parker Lab conducts research on the biology of social functioning in monkeys, typically developing humans, and patients with social impairments.

  • Robertson Parkman

    Robertson Parkman

    Adjunct Professor, Pediatrics - Stem Cell Transplantation

    Bio My principal research interests have been the assessment of the immunological consequences of hematopoietic stem cell transplantation including both acute and chronic graft versus host disease and immune reconstitution and the use of hematopoietic stem cell transplantation to treat genetic diseases. My laboratory was the first to suggest that chronic graft versus host disease was an autoimmune disease directed at histocompatibility antigens shared by donors and recipients. The observation leaded to the assessment of the role of thymic dysfunction in the pathogenesis of chronic graft versus host disease. As a pediatric immunologist I have investigated the role of hematopoietic stem cell transplantation initially in the treatment of primary immune deficiency diseases and later the treatment of metabolic diseases, which lead to my involvement in the early gene transfer clinical trials.

  • Jane Parnes

    Jane Parnes

    Professor of Medicine, Emerita

    Current Research and Scholarly Interests The lab is studying the mechanisms controlling B cell responsiveness and the balance between tolerance and autoimmunity. B cells deficient in CD72 are hyperresponsive to stimulation through the B cell receptor. We are examining the alterations in B cell signaling in these B cells and the mechanisms by which CD72 deficiency partially abrogates anergic tolerance. We hope to learn how deficiency in CD72 leads to spontaneous autoimmunity and increased susceptibility to induced autoimmune disease.

  • Julie Parsonnet

    Julie Parsonnet

    George DeForest Barnett Professor in Medicine and Professor of Epidemiology and Population Health

    Current Research and Scholarly Interests I am an infectious diseases epidemiologist who has done large field studies in both the US and developing countries. We research the long-term consequences of chronic interactions between the human host and the microbial world. My lab has done fundamental work establishing the role of H. pylori in causing disease and understanding its epidemiology. Currently, our research dissects how and when children first encounter microbes and the long term effects of these exposures on health.

  • Sonia Partap

    Sonia Partap

    Clinical Professor, Neurology & Neurological Sciences

    Current Research and Scholarly Interests My research interests involve the epidemiology, treatment and diagnosis of pediatric and young adult brain tumors. I am also interested in long-term neurologic effects and designing clinical trials to treat brain and spinal cord tumors.

  • Josef Parvizi, MD, PhD

    Josef Parvizi, MD, PhD

    Professor of Neurology and, by courtesy, of Neurosurgery at the Stanford University Medical Center

    Bio Dr Parvizi completed his medical internship at Mayo Clinic and Neurology Residency at BIDMC Harvard Medical School before joining the UCLA for fellowship training in clinical neurophysiology and epilepsy. He has worked at Stanford University Medical Center since 2007 and specializes in treating patients with uncontrollable seizures. Dr. Parvizi is the principal investigator in the Laboratory of Behavioral and Cognitive Neuroscience whose research activities have been supported by National Institute of Health, National Science Foundation, and private foundations. To find out more about Dr Parvizi's scholarly activities please visit http://med.stanford.edu/parvizi-lab.html.

  • Anca M. Pasca, MD

    Anca M. Pasca, MD

    Assistant Professor of Pediatrics at the Lucile Salter Packard Children's Hospital

    Current Research and Scholarly Interests The research focus of the lab is to understand molecular mechanisms underlying neurodevelopmental disorders associated with premature birth, neonatal and fetal brain injury with the long-term goal of translating the lab’s findings into therapeutics. The research team employs a multidisciplinary approach involving genetics, molecular and developmental neurobiology, animal models and neural cells differentiated from patient-derived induced pluripotent stem (iPS) cells. In particular, the lab is using a powerful 3D human brain-region specific organoid system developed at Stanford (Nature Methods, 2015; Nature Protocols, 2018) to ask questions about brain injury during development.

    https://www.neopascalab.org/

  • Sergiu P. Pasca

    Sergiu P. Pasca

    Associate Professor of Psychiatry and Behavioral Sciences

    Current Research and Scholarly Interests A critical challenge in understanding the intricate programs underlying development, assembly and dysfunction of the human brain is the lack of direct access to intact, functioning human brain tissue for detailed investigation by imaging, recording, and stimulation.
    To address this, we are developing bottom-up approaches to generate and assemble, from multi-cellular components, human neural circuits in vitro and in vivo.
    We introduced the use of instructive signals for deriving from human pluripotent stem cells self-organizing 3D cellular structures named brain region-specific spheroids/organoids. We demonstrated that these cultures, such as the ones resembling the cerebral cortex, can be reliably derived across many lines and experiments, contain synaptically connected neurons and non-reactive astrocytes, and can be used to gain mechanistic insights into genetic and environmental brain disorders. Moreover, when maintained as long-term cultures, they recapitulate an intrinsic program of maturation that progresses towards postnatal stages.
    We also pioneered a modular system to integrate 3D brain region-specific organoids and study human neuronal migration and neural circuit formation in functional preparations that we named assembloids. We have actively applied these models in combination with studies in long-term ex vivo brain preparations to acquire a deeper understanding of human physiology, evolution and disease mechanisms.
    We have carved a unique research program that combines rigorous in vivo and in vitro neuroscience, stem cell and molecular biology approaches to construct and deconstruct previously inaccessible stages of human brain development and function in health and disease.
    We believe science is a community effort, and accordingly, we have been advancing the field by broadly and openly sharing our technologies with numerous laboratories around the world and organizing the primary research conference and the training courses in the area of cellular models of the human brain.

  • Alok Patel

    Alok Patel

    Clinical Instructor, Pediatrics

    Bio Alok Patel is a pediatric hospitalist, medical journalist, on-camera expert, producer, and devotee of creative, engaging science communication tactics. He is currently working as a special correspondent for ABC7 News Bay Area, medical analyst for WGN-Chicago, and is a regular contributor to other digital and television news outlets. Additionally, he is the co-host of PBS/Nova's "Parentalogic", a parenting-meets-pediatrics, digital, comedy education program, and the host of Nova's science podcast, Nova Now.

    Patel worked as a medical producer for CNN, producing two seasons of the medical mystery show, "Something's Killing Me." He also worked on digital health shows for ABC News, New York, and NBC News. He also hosts a popular web series for Medscape, the "Hospitalist Retort", which is a critical review of topics directly affecting hospitalist medicine.

    Alongside several other physicians, Patel helped create and now sits on the board of directors for the Association for Healthcare in Social Media, the first 501c-3 dedicated to medical communication on social media platforms. He was also on the founding team of Medumo, a healthcare start-up which automated patient education for treatments and procedures. Medumo was acquired by Philips USA in 2019.

    Patel is involved in several advocacy efforts, most notably related to sex-trafficking intervention, mental health education, and addressing science misinformation.

  • Anisha I Patel

    Anisha I Patel

    Associate Professor of Pediatrics (General Pediatrics) at the Lucile Salter Packard Children's Hospital

    Current Research and Scholarly Interests Dr. Patel's research interests focus on reducing socioeconomic disparities in chronic diseases, including childhood obesity. Over the past 10 years, Dr. Patel has led numerous studies to encourage healthy beverage intake among children and adolescents. These studies include analyses of large national data sets, conduct of randomized controlled trials in schools, child care, and community settings to examine how interventions to increase children’s intake of water instead of sugar-sweetened beverages impact child health, and the evaluation of policy efforts to improve the healthfulness of beverages offered in schools and community settings.

    Dr. Patel has a diverse funding portfolio ranging from the Robert Wood Johnson Foundation Healthy Eating Research Program, the W.K. Kellogg Foundation, and the National Institutes of Health. Dr. Patel has presented her research to local, national and international audiences. She has also been recognized for her research with awards from the American Academy of Pediatrics and the University of North Carolina, Chapel Hill School of Public Health.

  • Chirag Patel, MD, PhD

    Chirag Patel, MD, PhD

    Clinical Assistant Professor, Neurology & Neurological Sciences

    Current Research and Scholarly Interests Neuro-oncology, Clinical Trials, Tumor Treating Fields (TTFields), Molecular/PET Imaging, Neuroimaging, Immunotherapy, Big Data Analysis

  • Lisa Patel

    Lisa Patel

    Clinical Assistant Professor, Pediatrics

    Bio Lisa Patel received her undergraduate degree in Biological Sciences from Stanford University. After college, she worked in Egypt, Brazil, and India on international development projects with community-based organizations and non-profits, focusing on conservation and development efforts. She then obtained her Master's in Environmental Sciences from the Yale School of the Environment and went on to be a Presidential Management Fellow for the Environmental Protection Agency, coordinating the US Government's efforts on clean air and safe drinking water projects in South Asia in collaboration with the World Health Organization. Realizing the critical and inextricable links between children's health and environmental issues, she obtained her medical degree from Johns Hopkins University and completed her residency in pediatrics at UCSF. For the last several years, she has used her extensive experience working for government, community organizations, and non-profits to advocate for children's health priorities in the US. She is previously the co-chair for the American Academy of Pediatrics Advocacy Committee, California Chapter 1 (AAP-CA1) and in her time helped launch the inaugural Advocating for Children Together conference for Northern California that is now a yearly occurrence. She co-founded the Climate and Health task force for AAP-CA1, and sits on the Executive Committee for the AAP's national Council on Environmental Health. She is the Advocacy and Policy Lead for the Sean N. Parker Center for Allergy and Asthma Research where she focuses on climate change and health. She is also the rotation director for the pediatric resident's Community Pediatrics and Child Advocacy Rotation.

  • Meghna Patel

    Meghna Patel

    Clinical Assistant Professor, Pediatrics - Cardiology

    Current Research and Scholarly Interests My current academic focus is in chronic heart failure and ventricular assist device.

  • Sujata Patel

    Sujata Patel

    Clinical Assistant Professor, Psychiatry and Behavioral Sciences - Vaden Health Center

    Bio Sujata Patel is a staff psychiatrist at Vaden Health Center, where she provides care to Stanford students. Her areas of interest include the transition to college and working with parents of college students.

  • Zara Patel

    Zara Patel

    Associate Professor of Otolaryngology - Head & Neck Surgery (OHNS) and, by courtesy, of Neurosurgery at the Stanford University Medical Center

    Bio Dr. Zara M. Patel is Director of Endoscopic Skull Base Surgery and an Associate Professor of Otolaryngology and, by courtesy, of Neurosurgery at Stanford. She was born and raised in St. Louis, completed her MD at the Oregon Health and Sciences University in Portland, Oregon and completed her residency training in otolaryngology at Mount Sinai Medical Center in New York, NY. After pursuing fellowship training in rhinology and endoscopic skull base surgery at Stanford University, she was recruited to join the Emory University faculty in Atlanta in 2011. After four years, the rhinology division recruited her back to the West coast to rejoin the department here at Stanford University.

    Dr. Patel is an expert in advanced endoscopic sinus and skull base surgery. She treats patients with a wide variety of rhinologic complaints, including chronic sinus infection or inflammation, sinus disease that has failed medical therapy, sinus disease that has failed prior surgical therapy, cerebrospinal fluid leaks, benign and and malignant sinus and skull base tumors, as well as olfactory disorders.

    She is immediate past-Chair of the Education Committee and now Member of the Board of Directors for the American Rhinologic Society and has developed a multitude of educational materials for both physicians and patients to help them better understand rhinologic disorders. She is passionate about educating patients to allow them to make the best decisions about their own care, leading to better outcomes.

    Dr. Patel has published widely in topics such as avoiding complications in endoscopic sinus surgery, chronic rhinosinusitis in the immunosuppressed patient population, new devices and techniques for endoscopic skull base surgery, and olfactory dysfunction. She continues to perform research in these areas, and is beginning collaborative efforts with neuroscientists and engineers to develop technology that she hopes will eventually help cure patients with olfactory loss.

  • Bertrand Patenaude

    Bertrand Patenaude

    Lecturer, Pediatrics - Center for Biomedical Ethics

    Current Research and Scholarly Interests Hunger in Europe during World War I and its aftermath.

  • Ria Paul

    Ria Paul

    Clinical Assistant Professor, Medicine - Primary Care and Population Health

    Bio Clinical Focus
    .Internal Medicine
    .Geriatric Medicine
    .Wellness
    .Focus on Health Disparities in Elderly Population

  • John M. Pauly

    John M. Pauly

    Reid Weaver Dennis Professor

    Bio Interests include medical imaging generally, and magnetic resonance imaging (MRI) in particular. Current efforts are focused on medical applications of MRI where real-time interactive imaging is important. Two examples are cardiac imaging, and the interactive guidance of interventional procedures. Specific interests include rapid methods for the excitation and acquisition of the MR signal, and the reconstruction of images from the data acquired using these approaches.

  • Kim Butts Pauly

    Kim Butts Pauly

    Professor of Radiology (Radiological Sciences Lab) and, by courtesy, of Electrical Engineering and of Bioengineering

    Current Research and Scholarly Interests We are investigating and developing, and applying focused ultrasound in neuromodulation, blood brain barrier opening, and ablation for both neuro and body applications.

  • Christopher K. Payne, MD

    Christopher K. Payne, MD

    Professor of Urology at the Stanford University Medical Center, Emeritus

    Current Research and Scholarly Interests Obstetric Fistula Projects:
    1. Preoperative ultrasound evaluation to detect ureteric involvement in vesicovaginal fistulas
    2. Patient narrative study to identify key medical, social and economic factors that lead to fistula formation
    3. Study of urinary continence after fistula repair

    Pelvic pain: investigation into role of pelvic floor in chronic pelvic pain

  • Susan Payrovi

    Susan Payrovi

    Clinical Assistant Professor, Anesthesiology, Perioperative and Pain Medicine

    Bio Dr. Payrovi is a physician practicing Integrative and Functional Medicine at Stanford’s Center for Integrative Medicine. She earned her bachelor’s degree in Microbiology and Molecular Genetics at UCLA and completed her medical education at UC San Diego in 2003. She completed a residency in Anesthesiology at USC in 2007. Dr. Payrovi is board certified in Anesthesiology, Hospice and Palliative Medicine, as well as Integrative Medicine. She has additional training in Functional Medicine and acupuncture.

  • Ronald Pearl

    Ronald Pearl

    Dr. Richard K. and Erika N. Richards Professor

    Current Research and Scholarly Interests Mechanims (molecular and cellular) of pulmonary hypertension, treatment of pulmonary hypertension, treatment of respiratory failure, treatment of septic shock, hemodynamic monitoring

  • Donna Peehl, PhD

    Donna Peehl, PhD

    Professor (Research) of Urology, Emerita

    Current Research and Scholarly Interests My research focuses on the molecular and cellular biology of the human prostate. Developing realistic experimental models is a major goal, and primary cultures of prostatic epithelial and stromal cells are my main model system. Our discoveries are relevant to prevention, detection, diagnosis and treatment of benign and malignant prostatic diseases.

  • Mark Pegram

    Mark Pegram

    Susy Yuan-Huey Hung Professor

    Current Research and Scholarly Interests Molecular mechanisms of targeted therapy resistance in breast and other cancers

  • Norbert Pelc

    Norbert Pelc

    Boston Scientific Applied Biomedical Engineering Professor and Professor of Radiology, Emeritus

    Current Research and Scholarly Interests Broadly, Dr. Pelc is interested in the physics, engineering and mathematics of medical imaging, especially computed tomography, digital x-ray imaging, magnetic resonance imaging, and hybrid multimodality systems. His current research is concentrated in the development of computed tomography systems with higher image quality and dose efficiency, in the characterization of system performance, and in the development and validation of new clinical applications.

  • Gary Peltz

    Gary Peltz

    Professor of Anesthesiology, Perioperative and Pain Medicine

    Current Research and Scholarly Interests The laboratory develops and uses state of the art genomic methods to identify genetic factors affecting disease susceptibility, and to translate these findings into new treatments. We have developed a more efficient method for performing mouse genetic analysis, which has been used to analyze the genetic basis for 16 different biomedical traits. We are developing novel methods, and have developed a novel experimental platform that replaces mouse liver with functioning human liver tissue.

  • Jinghong Penny Peng

    Jinghong Penny Peng

    Clinical Instructor, Radiation Oncology - Radiation Physics

    Current Research and Scholarly Interests 1. IMRT Treatment planning
    2. IGRT Radiation Therapy
    3. Real time prostate implant
    4. 4D CT and Respiratory Gating Radiation Therapy
    5. HDR for breast cancer and GYN cancer
    6. Xoft Electronic Brachytherapy

  • Jon-Paul Pepper, MD

    Jon-Paul Pepper, MD

    Assistant Professor of Otolaryngology - Head & Neck Surgery (OHNS) at the Stanford University Medical Center

    Current Research and Scholarly Interests Facial paralysis is a debilitating condition that affects thousands of people. Despite excellent surgical technique, we are currently limited by the regenerative capacity of the body. The mission of our research is to identify new treatments that improve current facial paralysis treatments. We do this by exploring the regenerative cues that the body uses to restore tissue after nerve injury, in particular through pathways of neurogenesis and nerve repair in small mammals.

  • Jack Percelay

    Jack Percelay

    Clinical Professor, Pediatrics

    Bio Jack Percelay has a 25+ year career in pediatric hospital medicine, beginning before the term hospitalist was invented when he started as an "in-house pediatrician in 1991 at several Bay Area hospitals after a brief career as a civilian primary care pediatrician at local and international US military bases. He has spent the majority of his career in community hospitals where his practice has run the gamut from the general pediatric ward and emergency room, to the PICU and intensive care nurseries, delivery room, and specialized neurologic and neurosurgical units. His work has taken him from San Francisco to New York City with brief stints in Hawaii. In 2015 he moved to Seattle Children's Hospital where he was an Associate Division Chief of Hospital Medicine, and in 2018 returned to the Bay Area joining the Stanford faculty.

    He served as the founding chair of the AAP Section on Hospital Medicine, and has also served as the Chair of the AAP Committee on Hospital Care. He served for seven years as the pediatric board member for the Society of Hospital Medicine and has been recognized as a Master of Hospital Medicine by SHM. Additionally, he was an inaugural board member of the American Board of Pediatrics Pediatric Hospital Medicine Subspecialty Board. Areas of interest include pediatric hospital medicine systems of care, patient and family-centered care, BRUEs, billing and coding, and hospitalist roles in the PICU.

  • Addie Peretz

    Addie Peretz

    Clinical Assistant Professor, Neurology & Neurological Sciences

    Current Research and Scholarly Interests Dr. Peretz's research interests include understanding the biological underpinnings of migraine and chronic daily headaches. She also participates in clinical trials of new headache treatments.

  • Felipe De Jesus Perez

    Felipe De Jesus Perez

    Clinical Assistant Professor, Anesthesiology, Perioperative and Pain Medicine

    Bio Felipe D. Perez is a Clinical Assistant Professor who is board-certified as an Anesthesiologist and as a Pediatric Anesthesiologist. He is the Assistant Dean for Diversity in Medical Student Education in the Office of Diversity in Medical Education (ODME) at Stanford University School of Medicine. His parents emigrated from Mexico and was raised in an immigrant working class neighborhood of Long Beach, CA. After receiving his Bachelors at Stanford he dedicated three years to public health policy where he worked for local, state, and national levels of government. He worked for Congressman Henry Waxman, Assemblymember Hector De La Torre, and Senator Alex Padilla, on laws such as preventing homelessness and having restaurants post caloric information on their menus. He returned to Stanford University for his Medical Degree and stayed for residency, pediatric anesthesiology fellowship, and was hired on as faculty at both the Lucile Packard Children's Hospital and Stanford Hospital. He currently serves as the Chair of the Legislative Affairs Committee for the California Society of Anesthesiologists (CSA). He is involved with leading diversity efforts locally and nationally. He co-chairs his clinical department’s Anesthesiology Diversity Council, he is a steering committee member of Leadership Education in Advancing Diversity (LEAD), he founded CSA's Justice, Equity, Diversity, and Inclusion (JEDI) Committee, and is the communication chair for the national Society for Pediatric Anesthesia (SPA) DEI Committee.

  • Marco Perez

    Marco Perez

    Associate Professor of Medicine (Cardiovascular Medicine) at the Stanford University Medical Center

    Bio Dr. Marco Perez's research goal is to better understand the fundamental causes of cardiovascular disease through the study of genetics and epidemiology. His group studies the genetic variations and environmental exposures that are associated with conditions such as atrial fibrillation and heart failure. He has led the studies of atrial fibrillation in Women's Health Initiative, one of the largest nation-wide population-based cohorts. He is currently conducting a large study monitoring for silent or asymptomatic atrial fibrillation in women from the WHI randomized to exercise intervention, and is co-PI in the Apple Heart Study, a clinical trial using the Apple Watch to screen for atrial fibrillation. He is interested in understanding the paradox that atrial fibrillation is less common in African Americans and Hispanics, despite a greater burden of risk factors such as hypertension. As director of the Stanford Inherited Arrhythmia Clinic, he evaluates families with rare inherited arrhythmias associated with sudden death such as Long QT and Brugada Syndromes and explores their links with novel genes. He is particularly interested in studying the genetic causes of very early onset atrial fibrillation. He also studies how best to use the electrocardiogram to identify patients at risk for atrial fibrillation and athletes at risk for life-threatening arrhythmias due to conditions such as hypertrophic cardiomyopathy. His genetic studies have led to the discovery of promising novel therapeutic targets that his group is now studying at a functional level. Dr. Perez receives funding from NIH/NHLBI (R01), Apple Inc., the Weston Havens Foundation, The Stanford Cardiovascular Division and the Stanford SPARK program.

  • Alexander C. Perino

    Alexander C. Perino

    Instructor, Medicine

    Bio Alexander C. Perino MD is a cardiac electrophysiologist, clinical informaticist, and cardiovascular researcher. In his clinical role, Dr. Perino manages patients with arrhythmia disorders at Stanford Health Care, performing invasive procedures such as catheter ablation and device implantation. In addition to complex ablation (e.g., atrial fibrillation and ventricular tachycardia ablation), Dr. Perino has expertise implanting leadless pacemakers, subcutaneous ICDs, and conduction system pacing leads (i.e., His bundle and left bundle branch pacing leads). Dr. Perino is the medical informatics director for the Division of Cardiovascular Medicine at Stanford Health Care, providing informatics direction to improve 1) the quality and safety of cardiovascular care delivery and 2) patient and clinician experience derived from the electronic health record and related information and communication technologies. As a cardiovascular researcher, Dr. Perino uses large datasets to examine quality of care, outcomes, and risk prediction for heart rhythm disorders and cardiovascular disease. Dr. Perino's research is currently funded by the American Heart Association and investigator-initiated awards.

  • VJ Periyakoil, Geriatrics, Hospice & Palliative Medicine

    VJ Periyakoil, Geriatrics, Hospice & Palliative Medicine

    Professor of Medicine (Primary Care and Population Health) at the Stanford University Medical Center

    Current Research and Scholarly Interests My research focuses on the intersection of biological, psychosocial and cultural aspects of care of persons with chronic and serious illnesses including dementia.

  • Inder Perkash

    Inder Perkash

    Paralyzed Veterans of America Professor of Spinal Cord Injury Medicine, Emeritus

    Current Research and Scholarly Interests My major interest has been neurogenic bladder and neurogenic bowel. In other areas where I have published research include urinary tract infections , use of Laser to vaporize urethral strictures in able bodies and surgery to improve voiding in spinal cord injury patients.
    Currently I am helping set up to evaluate and rehab. neurogenic bowel problems in GI Medicine at Stanford.

  • Mark Perlroth, MD

    Mark Perlroth, MD

    Professor (Clinical) of Medicine, Emeritus

    Current Research and Scholarly Interests 1. Adult Congenital Heart Disease
    2. Cardiac Transplantation
    3. General Cardiology
    4. Porphyrias

  • Suzann Pershing, MD

    Suzann Pershing, MD

    Assistant Professor of Ophthalmology at the Palo Alto Veterans Affairs Health Care System

    Bio Dr. Pershing is on the ophthalmology faculty at Stanford University School of Medicine, with an academic career blending clinical practice, teaching, research, and administration. She serves as Program Director for the Stanford University Medical Center ophthalmology residency and Chief of Ophthalmology for the VA Palo Alto Health Care System.

    In her role as residency program director, she is excited to innovate and implement novel approaches to residency education—such as establishing the 4-year research track residency program (SOAR), opportunities for resident elective scholarly activity, and efforts to develop a valuable internship program for incoming ophthalmology residents at Stanford.

    Her research interests focus on improved utilization of big data, biomedical informatics techniques, and evidence-based medicine to study outcomes, health care utilization, disease progression, and cost-effectiveness of ophthalmic treatment. Dr. Pershing is active in big data initiatives and analysis, including collaborative projects at Stanford and serving as site PI for the American Academy of Ophthalmology (AAO) IRIS Registry analytic group at Stanford. She also serves as the AAO representative to the American Board of Medical Specialties task force on Information and Data Sharing, focusing on collaboration among specialty boards and societies to use data sources such as national clinical registries to facilitate improved quality of care, continuing certification, and practice and outcomes assessments. Dr. Pershing is also is involved in health policy efforts, including helping to develop CMS episode-based cost measures for MIPS, and is interested in health care innovation—technology, quality, and delivery systems.

    Dr. Pershing serves on the national board of directors of the Alpha Omega Alpha medical honor society, with focus on resident and faculty development initiatives, and mentors both medical students and undergraduate students.

  • Jeffrey Petersen

    Jeffrey Petersen

    Professor of Medicine (Nephrology) at the Stanford University Medical Center, Emeritus

    Current Research and Scholarly Interests High flux dialysis in in-vivo and in-vitro clearances, of small and middle molecular weight solutes; computerized capture, of interdialysis hemodynamics; biocompatibility of biomembranes;, dialysis-related amyloidosis

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