School of Medicine
Showing 1-100 of 133 Results
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Uri Ladabaum
Professor of Medicine (Gastroenterology and Hepatology) at the Stanford University School of Medicine
Current Research and Scholarly Interests Gastrointestinal cancer prevention and risk management. Risk stratification. Cost-effectiveness analysis. Health services research.
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Amy Ladd, MD
Elsbach-Richards Professor of Surgery and Professor, by courtesy, of Medicine (Immunology & Rheumatology) and of Surgery (Plastic and Reconstructive Surgery) at the Stanford University Medical Center
Current Research and Scholarly Interests Research Interests
1. The kinematics and forces associated with thumb carpometcarpal (CMC) function and pathology
2. The anatomy, microstructure, and immunofluorescent characteristics of the thumb CMC joint
3. Pathomechaniics of CMC arthritis: biomechanical wear, injury, genetic, and environmental causes
4. Archiving, vitalizing, and innovating medical and surgical knowledge, most recently with innovative iBook monographs -
Richard Lafayette
Professor of Medicine (Nephrology) at the Stanford University Medical Center
Current Research and Scholarly Interests We are continuing to grow a glomerulonephritis cohort study, including immunologic characterization. We have completed interventional studies of preeclampsia exploring the nitric oxide, endothelin system and effects on glomerular function and morphometry. We continue to recruit patients for treatment and observational studies of glomerular disease, including FSGS, membranous and particularly IgA nephropathy. We also are actively studying renal disease in systemic amyloidosis.
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Rayhan Lal
Instructor, Pediatrics - Endocrinology and Diabetes
Bio I grew up in the east bay area and have had type 1 diabetes for 30+ years. I studied electrical engineering and computer science at U.C. Berkeley (Go Bears!) with the hope of applying my knowledge to diabetes technology. The significance of clinical practice became clear to me after my siblings also developed diabetes. I am devoting my life to advancing the care of diabetes in people of all ages.
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Vinh Lam
Clinical Assistant Professor, Medicine - Primary Care and Population Health
Bio Dr. Vinh Lam is a Clinical Assistant Professor in the Department of Medicine, Division of Primary Care and Population health. He earned his MD from the David Geffen School of Medicine at UCLA and chose to stay in Los Angeles to complete his family medicine residency training at UCLA. During his training, Dr. Lam developed a strong interest in teaching and medical education through his involvement with resident education and the graduate medical education committee. He also spent 1 year as a resident informaticist where he also became very interested in informatics, medical technology, and innovative solutions to improving patient health outcomes and decreasing physician burnout. Dr. Lam enjoys caring for patients of all ages from pediatrics to geriatrics, performing office-based procedures, and prioritizing preventative care.
Outside of medicine, Dr. Lam loves to travel with his family, dabbles in photography and videography, and enjoys attempting to recreate meals he has had while traveling with his wife, Becca. -
Curtis Langlotz
Professor of Radiology (Thoracic Imaging) and of Biomedical Informatics Research at the Stanford University Medical Center
Current Research and Scholarly Interests I am interested in the use of deep neural networks and other machine learning technologies to help radiologists detect disease and eliminate diagnostic errors. My laboratory is developing deep neural networks that detect and classify disease on medical images. We also develop natural language processing methods that use the narrative radiology report to create large annotated image training sets for supervised machine learning experiments.
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Benjamin Laniakea
Clinical Assistant Professor, Medicine - Primary Care and Population Health
Bio Dr. Benjamin Laniakea is a board-certified family medicine physician specializing in full-spectrum LGBTQ+ health. He graduated from the SUNY at Buffalo School of Medicine and Biomedical sciences and attended residency at UCSF Fresno Family and Community Medicine residency program. Since 2018 he has been the Theme Lead for the Sex, Gender, and Sexual Function curriculum at the Stanford School of Medicine and spearheads the new Stanford LGBTQ+ program.
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Tobias Lanz
Basic Life Res Scientist, Medicine - Med/Immunology & Rheumatology
Bio Tobias V. Lanz, MD is a postdoctoral fellow in the laboratory of Prof. William Robinson at the Department of Rheumatology / Immunology at Stanford School of Medicine, with a strong interest in basic and translational neuroimmunology. He studied medicine at the Eberhard Karls University in Tübingen, Germany and at the University College of London and performed his MD thesis at Prof. Michael Platten's laboratory at the Hertie Institute for Clinical Brain Research in Tübingen, Germany. In 2007/2008 he worked as a research scholar in the neuroimmunological laboratory of Prof. Lawrence Steinman at Stanford. After medical school he pursued his scientific and clinical training at the German Cancer Research Center (DKFZ) and the Department of Neurology at the University Hospital in Heidelberg, Germany. Dr. Lanz's current research focus is on the detection of new antigenic targets of B cells in Multiple Sclerosis.
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Adam Lavertu
Ph.D. Student in Biomedical Informatics, admitted Autumn 2016
Bio Adam Lavertu received his B.A. in Computational Biology from Colby College and is currently a PhD candidate in the Stanford Biomedical Informatics Training Program. His primary work focuses on developing methods for natural language processing of real-world text to aid in pharmacological discovery and pharmacovigilance.
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Samuel LeBaron
Professor of Medicine (Family and Community Medicine) at the Stanford University Medical Center, Emeritus
Current Research and Scholarly Interests Physician-patient communication; cross cultural dimensions of health care; strategies for health maintenance and promotion; integrative medicine.
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David Lee, MD
Professor of Medicine (Cardiovascular Medicine) at the Stanford University Medical Center
Current Research and Scholarly Interests 1. Novel treatments and devices for the treatment of valvular disease
2. Alcohol septal ablation for hypertrophic obstructive cardiomyopathy
3. Novel approaches to coronary revascularization
4. Closure devices for atrial septal defects and patent foramen ovale
5. Novel treatments for hypertension -
HoJoon Lee
Sr Biomedical Data Scientist, Medicine - Med/Oncology
Current Role at Stanford Senior Data Scientist
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Jennifer Lee
Associate Professor of Medicine (Endocrinology) and, by courtesy, of Epidemiology and Population Health at the Palo Alto Veterans Affairs Health Care System
Current Research and Scholarly Interests I am a clinical scientist (PhD epidemiology), endocrinologist, and CMO at VAPA Cooperative Studies Program Coordinating Center . My group does pattern and prediction mapping along the life-course of interventions/outcomes and how healthcare system can positively impact health longitudinally. We use novel molecular epi, 'big' data like EHRs with advanced new designs/methods/technologies. These interests cut across multiple complex chronic diseases, aging, & critical lifespan stages.
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Mary Leonard
Arline and Pete Harman Professor and Professor of Medicine (Nephrology) and, by courtesy, of Epidemiology and Population Health
Current Research and Scholarly Interests My multidisciplinary research program is focused on (1) the detrimental effects of glucocorticoids, sarcopenia and inflammation on bone development in pediatric diseases, (2) the long-term effects of childhood cancer on bone and muscle quality, (3) the assessment of renal osteodystrophy using novel micro-imaging techniques, (4) the effects of vitamin D deficiency on physical function and cardiovascular disease, and (5) the evaluation of biomechanical interventions as anabolic bone therapies.
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John Leppert
Associate Professor of Urology and, by courtesy, of Medicine (Nephrology) at the Palo Alto Veterans Affairs Health Care System
Current Research and Scholarly Interests Our research aims to improve the global quality of care for patients with Urologic Cancer with a particular focus on kidney cancer. We are investigating novel proteomic platforms and assays to diagnose kidney cancer and predict response to therapy. We are evaluating the comparative effectiveness of various kidney cancer surgeries and their impact on chronic kidney disease and its downstream effects. We are applying epidemiology, bioinformatics, and health services methods to urologic conditions.
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Lawrence Leung
Maureen Lyles D'Ambrogio Professor in the School of Medicine
Current Research and Scholarly Interests Our long term interest is to have a better understanding of the natural antithrombotic pathways and the pathophysiology of vascular thrombosis. We have focused on thrombin, the key enzyme in the blood clotting cascade.Our goal is to develop new antithrombotic agents and devise new diagnostic tests for vascular thrombotic disorders.
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Eleanor Levin
Clinical Professor, Medicine - Cardiovascular Medicine
Bio Eleanor Levin completed her undergraduate degree at Stanford, Phi Beta Kappa in Human Biology with Distinction, and her MD at UCSF as a Phi Beta Kappa Scholar. Her first internship was at Children's Hospital of San Francisco in pediatrics and her second at the Cleveland Clinic in internal medicine. She completed internal medicine training at Georgetown University and cardiology fellowship at George Washington University in Washington, D.C. At GW she undertook an advanced fellowship in echocardiography and lipids following her general cardiology fellowship. After fellowship training, Dr. Levin joined the GW faculty as an assistant professor of medicine in the Lipid Research Clinic. Subsequently she joined The Permanente Medical Group in northern California as a non-invasive cardiologist. She directed the Echocardiography Lab at Kaiser Santa Clara and introduced TEE and stress echo during her 25-year tenure. She introduced CT angiography of the heart at Santa Clara and coordinated joint readings between Radiology and Cardiology for 15 years. She created the Cholesterol Management and Heart Failure Programs initially at Santa Clara and eventually at more than 20 medical centers in Northern California. She was Kaiser's regional expert in lipidology as well as in cardiac disease in pregnancy in a patient population of 4 million. Dr. Levin served as Chief of Cardiology at Santa Clara for 16 years and as Chair of the Chiefs of Cardiology (120 cardiologists) for Northern California Kaiser for 8 years. She directed the Regional Cardiac Rehabilitation Program using home-based comprehensive rehabilitation across 18 medical centers for nearly three decades. During this time, she led teams developing cardiac guidelines embedded in order sets and electronic medical records throughout Kaiser medical centers to improve quality. She has spoken about and presented her work on population management and quality improvement nationally and internationally. Her awards include the national NCQA (National Committee of Quality Assurance) Award for Excellence in Cardiac Care, the Exceptional Contribution Award from The Permanente Medical Group for ?exceptional work in care management programs? for heart failure and cholesterol management, the Santa Clara County Medical Association Outstanding Achievement Award for cardiac care management, and the Silicon Business Journal Award as one of the "Top 100 Influential Women in Silicon Valley." She is a fellow of the American College of Cardiology and the American Heart Association. She is board certified in both Internal Medicine and in Cardiovascular Diseases by the American Board of Internal Medicine.
Dr. Levin is a member of the Preventive Cardiology group. She participates in the Women?s Heart Health group and consults on pregnant patients with heart disease as requested. She sees general cardiology patients with lipid disorders and cardiovascular diseases of all types. -
Joseph Levitt, MD, MS
Assistant Professor of Medicine (Pulmonary and Critical Care Medicine) at the Stanford University Medical Center
Current Research and Scholarly Interests My research focuses on the physiolgogic and biomarker characteristics of early acute lung injury (ALI) prior to need for mechanical ventilation. While, to date no pharmacologic treatment has improved survival in ALI, following the paradigm of early goal directed therapy for severe sepsis, clinical benefit may derive from identifying patients and initiating treatment prior to the need for positive pressure ventilation (and therefore prior to meeting current study entry criteria).
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Lee Levitt
Professor of Medicine (Hematology) at the Santa Clara Valley Medical Center, Emeritus
Current Research and Scholarly Interests Low molecular-weight heparins Clinical trials with anti-thrombotics Clinical trials in patients with leukemia, breast cancer and myeloma Medical education.
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Ronald Levy, MD
Robert K. and Helen K. Summy Professor in the School of Medicine
Current Research and Scholarly Interests Clinical Interests: lymphoma. Research Interests: Immunology and molecular biology of lymphoid malignancy; molecular vaccines for cancer.
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Shoshana Levy
Professor (Research) of Medicine (Oncology)
Current Research and Scholarly Interests Our research focuses on the mechanism of action of tetraspanins, an evolutionary conserved, widely expressed multi-gene family. We study a prototype, CD81, a molecule implicated in the pathogenesis of two major human diseases: hepatitis C virus (HCV) and malaria.
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Eldrin F. Lewis, MD, MPH
Professor of Medicine (Cardiovascular Medicine) at the Stanford University Medical Center
Bio Dr. Lewis is a board-certified, fellowship-trained specialist in cardiovascular medicine. He is the chief of the Division of Cardiovascular Medicine and a professor of cardiovascular medicine.
Dr. Lewis is an esteemed clinician-scientist who specializes in the care of patients with advanced heart failure. He is an internationally recognized expert on heart failure, heart transplant, and quality of life for heart failure patients. He cares deeply about his patients as well as his colleagues, the hospital, and the School of Medicine. Dr. Lewis is committed to diversity and inclusion, as well as expanding Stanford clinical research initiatives.
A fundamental principle of Dr. Lewis? practice is his belief that ?there is more to life than death,? that cardiovascular care should go beyond helping patients survive to also helping them enjoy the best possible quality of life.
Dr. Lewis has deep expertise in conducting clinical trials examining diagnostic and therapeutic approaches to heart failure. He has done innovative work to create systems for incorporating quality of life measures for cardiovascular patients into electronic health records. This research has received support from the National Heart, Lung and Blood Institute and the National Institutes of Health.
Much of his quality of life research has focused on patient-reported outcomes. Dr. Lewis emphasizes the importance of looking at how a disease, whether chronic or acute, impacts people?s ability to function and perform their activities of daily living. Strategies to improve patients? well-being focus not only on their physical symptoms but also on depression, anxiety, exercise capacity, and ability to function in daily living.
Dr. Lewis? commitment to expanding clinical research initiatives will give patients more opportunities to participate in the clinical trials and access the latest care strategies that can translate into better outcomes. The goal is early access to the most advanced technology, pharmacology, and device therapy that can change outcomes for the better. He also envisions forming closer partnerships with community cardiologists and capitalizing further on Stanford?s proximity to and unique relationships with the digital technology leaders of Silicon Valley to enhance the use of digital technology for monitoring patients, optimizing treatment, and tracking outcomes.
He has authored nearly 200 articles published in peer-reviewed journals including the New England Journal of Medicine, Journal of the American College of Cardiology, Circulation, JAMA Cardiology, JAMA Internal Medicine, and many more. He is also on multiple editorial boards for cardiovascular journals and was an associate editor for Circulation?Heart Failure. In addition, he is an author of professional society clinical practice guidelines and scientific statements from both the American Heart Association (AHA) and the Food and Drug Administration.
Dr. Lewis? honors for clinical care, scholarship, and research include the Joel Gordon Miller Award for community service and leadership from the University of Pennsylvania School of Medicine. He also was one of the first recipients of the Minority Faculty Development Award, which recognizes the research potential of young physicians. Dr. Lewis has received a grant from the Robert Wood Johnson Foundation to study the role of quality of life assessment in clinical decision making in patients with heart failure.
He is a fellow of the American College of Cardiology and the National American Heart Association (AHA) Research Committee. In addition, Dr. Lewis was as a member of the AHA Founders Affiliate Board of Directors, chair of the Council on Clinical Cardiology, and research chair of the Association of Black Cardiologists. He also serves on scientific committees to review grants for the AHA and on the FDA Task Force for the Standardization of Definitions for Endpoint Events in Cardiovascular Trials. -
Jia Li
Adjunct Professor, Primary Care and Population Health
Bio I hold the position of AI Fellow and Adjunct Professor at Stanford University in the School of Medicine. In Healthcare, I am interested in how AI could improve the outcomes of individual patients as well as hospitals. I was the Head of R&D of Google Cloud AI, President of the Google AI China Center. At Google Cloud AI, our mission is to democratize AI and advance AI. My org focus on both research innovation to solve real world problems and developing the full stack of AI products on Google Cloud to power solutions for diverse industries. Before joining Google, I was the Head of Research at Snap, leading the research innovation effort. Before Snap, I led the Visual Computing and Learning Group at Yahoo! Labs. In 2014, I was selected to receive the Super Star award at Yahoo!, the highest award at the company. I was also awarded the Master Inventor Award for my innovations in AI/ML. I received my Ph.D. degree from the Computer Science Department at Stanford University. I was the leader of the OPTIMOL team, which won the first prize in the Semantic Robotics Vision Challenge sponsored by NSF and AAAI in 2007. I served as the Program Chair of ACM Multimedia 2017, Area Chair of ICCV 2017, Industry Relationship Chair of CVPR 2016 and Volunteers Chair of CVPR 2010. I am serving the The Computer Vision Foundation Industrial Advisory Board and the Associate Editor of the Visual Computer: International Journal of Computer Graphics by Springer. My work has been reported in the media including: MIT Technology Review, CNBC, TechCrunch, New Scientist, Forbes and more in recent years.
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Ron Li
Clinical Assistant Professor, Medicine
Bio Ron Li is a Clinical Assistant Professor of Medicine in the Division of Hospital Medicine and Center for Biomedical Informatics Research at Stanford University School of Medicine. He is also the Medical Informatics Director for Artificial Intelligence Clinical Integration at Stanford Health Care. Ron's work is centered around the design, implementation, and evaluation of novel systems of care delivery that can be enabled by artificial intelligence. His work spans across multiple disciplines, including clinical medicine, data science, digital health, information technology, design thinking, process improvement, and implementation science. Current areas of focus include using machine learning to improve advance care planning, care of clinically deteriorating patients, and e-consults for the health system. He has consulted for various companies in the digital health and artificial intelligence space. He is a practicing hospitalist and attends on the inpatient medicine teaching service at Stanford Hospital.
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Sally Shan Li
Executive Director, Center for Asian Health Research and Education, Primary Care and Population Health
Current Role at Stanford Executive Director, Center for Asian Health Research and Education (CARE)
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Yuan Li
Postdoctoral Research Fellow, Gastroenterology
Bio My overall research interests are liver biology, pathology, and therapeutics. The medical education in China has provided me a comprehensive perspective of human disease and treatment. As a graduate student in University of Kansas Medical Center, I gained expertise in using transgenic mouse models to study autophagy in adipose-liver axis, liver lipid metabolism, and xenobiotic-induced liver steatosis and injury. As a postdoc my current research in Stanford University focuses on non-alcoholic steatohepatitis and hepatocellular carcinoma.
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David Liang, MD, PhD
Professor of Medicine (Cardiovascular) at the Stanford University Medical Center, Emeritus
Bio Stanford researchers are creating a micro-device that physicians could guide through the body to help diagnose and treat clogged arteries and other diseases. Tethered to the outside world by a thin wire, a tiny machine creeps through blood vessels, searching out deadly plaques and obliterating them with a zap of a laser. While a laser will come later, for now David Liang, MD, PhD, is focusing on a tiny eye that could give physicians an unprecedented view into blood vessels.
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Charles Liao
Clinical Assistant Professor, Medicine
Current Research and Scholarly Interests Educational Curriculum: Working with Professional Interpreters
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Ronglih Liao
Professor of Medicine (Cardiovascular Medicine)
Bio Dr. Liao is a Professor of Medicine and co-Director of Stanford Cardiac Amyloid Center. The major goal of her research program focuses on understanding the mechanisms that underlie the pathophysiology of heart failure and developing novel treatments to combat this process. Her laboratory has played an international leading role in the study of amyloid light chain (AL) cardiomyopathy, a rare and fatal form of cardiovascular disease. We have described the underlying pathophysiologic basis for amyloid cardiomyopathy and found that the circulating amyloidogenic light chain proteins that characterize this disease directly result in a specific cardiotoxic response. Consequently, our research work has redefined AL cardiomyopathy and has raised new treatment approaches. More recently, her research efforts have expanded to include transthyretin (ATTR) cardiac amyloidosis.
In line with her goal of revealing novel therapeutic strategies for patients with cardiovascular disease, our efforts have also focused on characterizing and harnessing endogenous cardiac regenerative mechanisms. Her laboratory initially demonstrated the therapeutic potential of exogenous primitive muscle cells delivered to the injured heart. This work was among the earliest milestones in the field and served as the basis for an international trial of cell-based therapy. Subsequently, Liao lab identified and characterized a population of cardiac progenitor cells and its relationship and dynamic activity following cardiac injury in the adult heart. Her laboratory aims to reveal the molecular mechanisms regulating the endogenous regenerative capacity of the heart and to harness such repair mechanisms for the treatment of cardiovascular disease. Dr. Liao has lectured extensively on both amyloid cardiomyopathy and stem cell biology, and have maintained a history of independent NIH funding in these areas for more than two decades.
Over the course of her academic career, she has taken the greatest pride in mentoring the next generation of scientists. Dr. Liao has had the privilege to supervise several dozen students, postdoctoral fellows, and junior faculty, many of whom have gone on to independent academic careers at the highest institutions. Her contribution to the advancement of scientific knowledge also includes lecturing at various university and academic institutions as well as at scores of conferences and symposia locally, nationally, and internationally. -
Michaela Liedtke
Associate Professor of Medicine (Hematology) at the Stanford University Medical Center
Current Research and Scholarly Interests 1) Design of phase I/II trials for the treatment of Multiple Myeloma and Amyloidosis
2) Conduct of clinical trials to improve the treatment of patients with acute lymphoblastic leukemia (ALL)
3) Outcomes research using clinical databases for patients with Multiple Myeloma and Amyloidosis
4) Characterization of the molecular mechanism of MLL-induced acute leukemia -
Joanna E. Liliental, PhD
Senior Research Scientist; Scientific Director - TASC; Co-director - TRAM, Medicine
Current Role at Stanford Director, Translational Applications Service Center (TASC)
http://tasc.stanford.edu
Associate Director, Translational Research and Applied Medicine (TRAM) Program
http://tram.stanford.edu
Senior Research Scientist, Stanford School of Medicine
Instructor of University Courses: MED221 and MED121
Member, Stanford Cancer Institute -
David Limsui
Clinical Associate Professor, Medicine - Gastroenterology & Hepatology
Bio Throughout my career I have been extensively involved in post-graduate medical education and training of residents and fellows. I served on the AGA Future Trends Committee tasked with reporting the future of gastroenterology training programs and have been admitted into the AGA Academy of Educators. I joined Stanford for the incredible opportunity to be part of a dynamic division with excellent and dedicated faculty where one can achieve their greatest potential. I share the honor and privilege of leading our fellowship program and in the joy of teaching such talented and inspiring fellows. Together we strive to provide the best educational experience for our fellows to become outstanding gastroenterologists and future leaders in academic medicine.
My subspecialty areas of focus are inflammatory bowel disease and general gastroenterology. -
Bryant Lin
Clinical Associate Professor, Medicine - Primary Care and Population Health
Current Research and Scholarly Interests -Digital Health Application and Medical device design, prototyping, testing and clinical trials
-Behavioral determinants of chronic disease
-Novel diagnostic processes for medical mysteries
-Asian Health -
Janice Lin
Clinical Assistant Professor, Medicine - Immunology & Rheumatology
Bio Dr. Lin specializes in the diagnosis and treatment of rheumatologic conditions such as rheumatoid arthritis, lupus, myositis, gout, and seronegative spondyloarthropathies. She received additional training in autoimmune skin diseases and has a special clinical and research interest for psoriasis/psoriatic arthritis, dermatomyositis, cutaneous lupus/systemic lupus. She leads a combined rheumatology-dermatology clinic with Dr. Matthew Lewis in the dermatology department to take care patients collaboratively. Dr. Lin is a graduate of USSONAR (Ultrasound School of North American Rheumatologists) program and performs diagnostic musculoskeletal ultrasound evaluation and interventions. In addition to her clinical work, she leads the quality improvement effort for the division and her most recent projects are focused on patient-reported outcome in rheumatoid arthritis and vaccinations for patients in the rheumatology clinic.
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Steven Lin
Clinical Associate Professor, Medicine - Primary Care and Population Health
Current Research and Scholarly Interests Artificial intelligence in healthcare
Primary care and population health
Value added medical education -
Evelyn Bin Ling
Clinical Assistant Professor, Medicine
Bio Evelyn Ling, M.D., M.S. is a Clinical Instructor at Stanford School of Medicine. She completed her M.D. degree and her internal medicine residency at the University of California at Davis in 2017. Prior to her medical training, she received her B.S. in biomedical computation and M.S. in Management Science and Engineering from Stanford University. In medical school and residency, she worked on projects in quality improvement (medication reconciliation in the hospital setting), medical education (clinical reasoning development) and health care technology (remote diabetes management). At ValleyCare, she has continues to be involved in medical education as the site co-director for Practice of Medicine course (POM) for second year physician assistant students as well as quality improvement projects in ED admissions and wellness. She is a Bay Area native and is excited to be working with the East Bay community.
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Christine Kee Liu
Assistant Professor of Medicine (Primary Care and Population Health) at the Stanford University Medical Center
Bio Dr. Liu and her research program are dedicated to improving the lives of older adults with kidney disease. Currently her research focuses on mobility, which is the ability to move safely and reliably from one place to another. In older adults, poor mobility strongly predicts future disability and death. Retaining mobility has been cited by older adults as fundamental to quality to life; yet many older persons with kidney disease, especially those with late stage chronic kidney disease or outright kidney failure, have trouble just walking across the room or transferring to a chair. Dually trained in geriatric medicine and epidemiology, Dr. Liu also has significant expertise in older adult clinical trials, including safety trials of novel agents as well as intervention studies to reduce infections in older populations.