Current Faculty

Our clinicians and physician-scientists are integrating pioneering, disease-related research into clinical practice.

Matthew Baker, MD, MS

Assistant Professor of Medicine

Dr. Baker is the Clinical Chief in the Division of Immunology and Rheumatology and the Co-Director of the Stanford Multidisciplinary Sarcoidosis Program. He runs a clinical research program that is focused on clinical trials, epidemiological studies, and bench-to-bedside translational research.

Clinical focus: Sarcoidosis, IgG4-related disease, Sjogren's syndrome, rheumatoid arthritis, osteoarthritis

Academic focus: Clinical trials, epidemiologic research, mechanistic biomarkers

Yashaar Chaichian, MD

Clinical Associate Professor of Medicine

Dr. Chaichian is the Director of the Stanford Lupus Clinic and has a clinical, research, and teaching focus in systemic lupus erythematosus (SLE). He also co-directs a twice monthly Rheumatology-Dermatology multidisciplinary clinic at Stanford with Dr. Jennifer Yeh (Dermatology).

Clinical focus: SLE, rheumatology-dermatology overlap conditions, general rheumatology

Academic focus: SLE clinical research, including epidemiologic/outcomes research and translational research collaborations

Lorinda Chung, MD, MS

Professor of Medicine and, by courtesy, of Dermatology

Dr. Chung focuses on patient care and research related to systemic sclerosis (SSc) and dermatomyositis. She has extensive experience in SSc clinical trial design and enrollment, as well as collaborative translational studies to better understand the pathogenesis of SSc and identify novel biomarkers and therapeutics for SSc patients.

Clinical focus: Systemic sclerosis, dermatomyositis

Academic focus: Clinical trials, epidemiologic research

Robert Fairchild, MD, PhD

Assistant Professor of Medicine

Dr. Fairchild specializes in the diagnosis, evaluation and management of rheumatic diseases utilizing ultrasonography. He is the Director of Stanford’s Rheumatology Ultrasound Diagnostic and Interventional Clinic and the Stanford Rheumatology Ultrasound Program, where he leads Stanford's rheumatology ultrasound education curriculum.

Clinical focus: Diagnostic and interventional musculoskeletal ultrasound

Academic focus: Next-generation ultrasound approaches, value-based care

Titilola Falasinnu, PhD

Assistant Professor of Medicine

Dr. Falasinnu’s research focus is on developing best practices for adapting electronic health records for epidemiological inference in rheumatology, emphasizing pain, disability, and function.

Academic focus: Epidemiology and chronic pain research in autoimmune rheumatic diseases

C. Garrison Fathman, MD

Professor of Medicine (Emeritus)

Dr. Fathman is a previous Division Chief of the Division of Immunology and Rheumatology.  He developed the Center for Clinical Immunology at Stanford (CCIS) and was instrumental in creating the Stanford Human Immune Monitoring Center.  He also founded the international Federation of Clinical Immunology Societies (FOCIS).

Academic Focus:  Identification of regulatory T cell (Treg) defects in autoimmunity, methods to restore the defects to treat autoimmune diseases

Mark Genovese, MD

Professor of Medicine (Emeritus)

Dr. Genovese has designed and led numerous investigator-initiated studies and international multi-center trials investigating novel therapies, therapeutic strategies, and biomarkers associated with disease progression and response for the treatment of autoimmune disease and arthritis.

Clinical focus: Clinical trials and interventions in the rheumatic diseases including rheumatoid arthritis, systemic lupus erythematosus, systemic sclerosis, and osteoarthritis.

Halsted Holman, MD

Professor of Medicine (Emeritus)

Clinical focus:  Rheumatoid arthritis, systemic lupus erythematosus.

Academic focus: Outcomes research.

Jison Hong, MD

Clinical Assistant Professor of Medicine

Dr. Hong specializes in diagnosing, evaluating, and managing all rheumatologic diseases with special interests in paraneoplastic rheumatologic disease manifestations and gout. She leads and develops Value-Based Care initiatives within rheumatology and Stanford Health Care.

Clinical focus: General rheumatology

Academic focus: Value-based care

Lakshmi Jayaram, MD

Clinical Assistant Professor of Medicine

Dr. Jayaram specializes in the diagnosis and management of all rheumatologic conditions with special interests in myositis, gout, psoriatic arthritis, and vasculitis.

Clinical focus: General rheumatology

Academic focus: Medical education, value based care, quality improvement

Audra Horomanski, MD

Clinical Assistant Professor of Medicine

Dr. Horomanski is the Director of the Stanford Vasculitis Clinic where she manages the complex care of patients with all types of vasculitis. Additional areas of research include the application of ultrasound in the study and management of rheumatologic diseases and epidemiologic studies of vasculitis in reproductive health/pregnancy.

Clinical focus: Vasculitis

Academic focus: Clinical research in vasculitis, medical education, ultrasound

Tamiko Katsumoto, MD

Clinical Assistant Professor of Medicine

Dr. Katsumoto serves as the director of the Stanford Immune-Related Toxicity Working Group, a multidisciplinary group which aims to improve the quality of care of cancer patients on immune checkpoint inhibitors. She also has a strong interest in understanding dietary impacts on systemic inflammation and is passionate about sustainable diets for individual and planetary health.

Clinical focus: Immune-related adverse events (irAEs), systemic sclerosis, diet and microbiome

Academic focus: Mechanisms underlying irAEs, dietary factors driving inflammation

Tobias V. Lanz, MD

Assistant Professor of Medicine

Dr. Lanz's research focuses on the fundamental immunological mechanisms mediating neuroimmunological diseases and rheumatic diseases with neurological manifestations.

Using single-cell sequencing, high-throughput proteomics, and structural analyses, he investigates the immune mechanisms that underlie commonalities and differences between autoimmune disorders.

Kate Lorig, DrPH

Professor of Medicine (Emerita)

Dr. Lorig has a research program which includes the use of her program for rural caregivers, those nearing the end of life, and those who are tapering opioids.  She is also studying the comparison of programs offered via telephone, virtual platforms and in person.

Academic Focus: Developing, evaluating and translating into practice self-management intervention for people with arthritis, other chronic and conditions and caregivers

Eric Meffre, PhD

Professor of Medicine

Dr. Meffre’s work focuses on the etiology of autoimmune diseases and on characterizing the various roles played by autoreactive B cells in both the initiation and propagation of these syndromes.

Laboratory focus: B cell biology, role of B cells in autoimmunity

Nitya Reddy Ramreddy, MD

Clinical Assistant Professor of Medicine

Dr. Ramreddy specializes in diagnosing and treating all rheumatological conditions.  She is a general rheumatologist with special interest in Rheumatoid arthritis associated Interstitial lung disease.

Clinical focus: Rheumatoid arthritis, rheumatoid arthritis associated Interstitial lung disease, systemic lupus erythematosus, psoriatic arthritis.

Academic focus: Value based care, patient education

Neha Shah, MD

Clinical Assistant Professor of Medicine

Dr. Shah's clinical and research interests lie in Integrative Rheumatology, exploring the impact of diet/nutrition/botanicals on inflammation as it pertains to rheumatic diseases such as gout, rheumatoid arthritis, lupus, psoriatic arthritis and other autoimmune conditions.

Clinical focus: Integrative medicine

Academic focus: Medical education, integrative medicine

Julia Simard, ScD

Associate Professor of Epidemiology and Population Health

Dr. Simard studies outcomes such as malignancy, stroke, infection, and mortality, in patients with systemic autoimmune rheumatic diseases with a focus on systemic lupus erythematosus, and the intersection between reproductive epidemiology and rheumatic disease.

Academic focus: Epidemiologic research in SLE

Suzanne Tamang, PhD

Assistant Professor of Medicine

Dr. Tamang’s research leverages her training in biology, computer science, health services research and biomedical informatics to work with interdisciplinary teams of experts on population health problems of public interest.  Integral to her research, is the analysis of large and complex population-based datasets, using techniques from natural language processing, machine learning and deep learning.

Academic focus:  Biomedical informatics

Janice Lin, MD

Clinical Assistant Professor of Medicine

Dr. Lin specializes in the diagnosis and treatment of rheumatologic conditions such as rheumatoid arthritis, lupus, myositis, gout, and seronegative spondyloarthropathies. She has special clinical and research interests in psoriasis/psoriatic arthritis, dermatomyositis, and cutaneous lupus/systemic lupus.

Clinical focus: General rheumatology, rheumatology/dermatology overlap

Academic focus: Quality improvement

Diane Mar, MD

Clinical Assistant Professor of Medicine

Dr. Mar's clinical interests include crystalline arthritis, psoriatic arthritis, and utilization of ultrasound in rheumatology. She sees a broad range of rheumatologic cases.

Clinical focus: General rheumatology, musculoskeletal ultrasound, myositis, psoriasis/psoriatic arthritis, rheumatoid arthritis

Academic focus: Next-generation ultrasound approaches, general rheumatology

Prachaya Nitichaikulvatana, MD

Clinical Assistant Professor of Medicine

Dr. Nitichaikulvatana practices general rheumatology with a focus on psoriasis/psoriatic arthritis and lupus.

Clinical focus: General rheumatology, psoriasis/psoriatic arthritis, lupus

Academic focus: Health-care delivery

William H. Robinson, MD, PhD

James W. Raitt, MD Professor of Medicine

Dr. Robinson’s overarching objective is to elucidate the molecular and cellular mechanisms underlying autoimmune diseases, and to leverage these insights to develop next-generation therapeutics.  His research is defining critical roles for microbial triggers of autoimmune disease, with a focus on Epstein-Barr virus and mucosal breaks of bacteria.

Clinical focus: Rheumatoid arthritis, osteoarthritis

Laboratory focus: Antibodies, B cells, and microbial triggers in autoimmune disease

Stanford Shoor, MD

Clinical Professor of Medicine

Dr. Shoor's interests include sarcoidosis, evidence-based medicine, patient self-care and practice improvement.

Clinical focus: General rheumatology, sarcoidosis

Academic focus: Patient-centered care

Liya Stolyar, MD

Clinical Assistant Professor of Medicine- Affiliate

Clinical focus: General rheumatology, VA women’s health

Academic focus: Provider-level decision making in systemic lupus erythematosus, ​psoriasis/psoriatic arthritis

PJ Utz, MD

Professor of Medicine; Associate Dean, Medical Student Research; Department of Medicine Director of Team Science Initiatives

Dr. Utz studies autoimmunity, infection, vaccines, and technology development. He is Associate Dean for Medical Student Research. He is founder and Faculty Director of SIMR (Stanford Institutes of Medicine Summer Research Program), one of the nation's largest high school research programs devoted to improving diversity of our nation's biosciences and physician scientist workforce.

Laboratory focus: Autoantibodies, role of interferons in systemic lupus erythematosus