Faculty

Core Faculty


  • Program Director, Internal Medicine Residency
  • Director, Graduate Medical Education / DIO Hospital Medicine
  • Associate Professor of Medicine, UCSF
  • Associate Clinical Professor of Medicine, Creighton University
  • Medical School: UCSF
  • Residency: UCSF
  • Fellowship: General Internal Medicine and Medical Education, UCSF
  • ACP Award for Outstanding Teacher and Mentor 2015-2016
  • Board Certified, ABIM


  • Director, Student Clerkship
  • Medical School: Weill Cornell Medical College
  • Residency: University of Washington
  • Fellowship: Hospital Medicine, University of California San Francisco
  • Board Certified: ABIM


  • Associate Program Director, Internal Medicine Residency
  • Medical Director of Ambulatory Care
  • Education Director, Endocrinology
  • Clinical Professor of Medicine, UCSF
  • Assistant Clinical Professor of Medicine , Creighton University
  • Medical School: University of Vienna, Austria
  • Residency: California Pacific Medical Center
  • Fellowship: Endocrinology, UCSF
  • Board Certified, ABIM: Internal Medicine and Endocrinology


  • Primary Care Internist, Mercy Medical Doctors
  • Education Director, Geriatrics 
  • Medical School: Georgetown University
  • Residency: St Mary’s Medical Center, San Francisco
  • Board Certified, ABIM


  • Director, UCSF – SMMC Hospital Medicine Service
  • HS Assistant Clinical Professor, UCSF
  • Medical School: UCSF
  • Residency: UCSF
  • Board Certified: ABIM Internal Medicine


  • Director, Intensive Care
  • Education Director, Pulmonary Medicine
  • Medical School: Duke University 
  • Residency: University of Washington, Seattle
  • Fellowship: Pulmonary/ Critical Care 
  • Board Certified ABIM: Internal Medicine and Critical Care and Pulmonary Disease


  • Associate Director, Intensive Care
  • Medical School: Columbia College of Physicians and Surgeons
  • Residency: University of Washington, Seattle
  • Fellowship: Respiratory Disease, University of Washington
  • Board Certified, ABIM: Internal Medicine & Critical Care and Pulmonary Disease


  • Hospital Medicine 
  • Assistant Professor of Medicine , UCSF 
  • Medical School: University of Sydney Medical School, Australia
  • Internship: Mercy Catholic Medical Center, Darby, PA, Internal Medicine 
  • Residency: Scripps Clinic/Scripps Green Hospital, San Diego. 
  • Board Certified: ABIM Internal Medicine


Teaching Faculty

Jake Adams, DO
Critical Care Medicine
Medical School: Midwestern University, AZ College of Osteopathic Medicine
Residency: Legacy Health System, Portland
Fellowship: Critical Care, Cleveland Clinic
Board Certified ABIM: Internal Medicine and Critical Care

Charles Allison, MD
Primary Care Internist, Mercy Doctors’ Medical Group
Medical School: University of Minnesota 
Residency: Milwaukee County General Hospital, Milwaukee, and SMMC
Board Certified: ABIM Internal Medicine

Xylona Bibal, MD
Primary Care Internal Medicine, St. Mary's Medical Center
Education Director, Healthcare for the Underserved
Medical School: Ross University 
Residency: St. Mary's Medical Center
Board Certified: ABIM Internal Medicine

Mauricio Jalife Bucay, MD
Hospitalist Medicine
Assistant Professor of Medicine, UCSF 
Medical School: Universidad Anahuac de la Ciudad de Mexico 
Residency: Albert Einstein Medical Center
Board Certified: ABIM Internal Medicine 

Warren Chang, MD
Chief, Nephrology 
Education Director, Nephrology
Medical School: UC Davis 
Residency: UC Davis 
Fellowship: Nephrology, UC Davis
Board Certified: ABIM Internal Medicine and Nephrology

Christian Cruz, MD
Nephrology
Medical School: Mount Sinai School of Medicine, New York
Residency: Cornell Medical Center, NY-Presbyterian Hospital 
Fellowship: Nephrology, Cornell Medical Center, NY-Presbyterian Hospital
Board Certified: ABIM Internal Medicine and Nephrology

Johnathan Duong, MD 
Hospitalist Medicine
Associate Professor of Medicine, UCSF
Medical School: UT Southwestern School of Medicine 
Residency: Southwestern, Internal Medicine 
Fellowship: UCSF: Hospitalist Medicine 
UCSF Diversity, Equity and Inclusion Champion Training 
Board Certified: ABIM Internal Medicine

Gitouf Elnema, MD

Hospitalist Medicine 
Assistant Professor of Medicine, UCSF 
Medical School: University of Khartoum, Sudan
Residency: Wellstar Atlanta Medical Center, Georgia
Diversity, Equity, and Inclusion Champion Training 
Board Certified: ABIM Internal Medicine

Shubra Gupta, MD
Hospitalist Medicine
Assistant Clinical Professor of Medicine, UCSF 
Quality Improvement & Patient Safety Director, St. Mary’s Medical Center, SF
Medical School: Armed Forces Medical College
Residency - Internal Medicine, John H. Stroger Jr. Hospital of Cook County, Chicago
UCSF Diversity, Equity, and Inclusion Champion Training
Board Certified: ABIM Internal Medicine

Diana Hilbert, MD, FACP 
Primary Care Internal Medicine, Mercy Doctors Medical Group
Education Director: Primary Care and Women’s Health
Associate Clinical Professor of Medicine, UCSF
Medical School: Dartmouth University
Residency: UCLA
Board Certified: ABIM Internal Medicine

Matthew C. Jeong, MD
Chair, Dept. of Medicine
Assistant Professor of Medicine, UCSF 
Medical School: University of Connecticut
Residency: St. Mary’s Medical Center, SF
Board Certified: ABIM Internal Medicine

Abraham  (Avromi) Kanal, MD
Education Director, POCUS
Hospitalist Medicine
Assistant Professor of Medicine, UCSF 
Medical School: Albert Einstein College of Medicine
Residency: Yale Internal Medicine and Primary Care
Board Certified: ABIM Internal Medicine

Xinran (Leo) Liu , MD, MS 
Hospitalist Medicine 
Associate Program Director, UCSF Informatics Fellowship
Medical School: Dartmouth Medical School
Residency: University of Washington, Seattle, Internal Medicine 
Fellowship: University of Washington, Seattle, Medical Informatics 
UCSF Diversity, Equity, and Inclusion Champion Training
Board Certified: ABIM Internal Medicine

Kevin Man, MD
Chief, Gastroenterology/Hepatology
Education Director, Gastroenterology/Hepatology
Medical School: Medical College of Wisconsin, Milwaukee
Residency: California Pacific Medical Center, San Francisco
Fellowship: GI/Hepatology, California Pacific Medical Center
Board Certified: ABIM Internal Medicine & Gastroenterology

Remo Morelli, MD, FACC
Chief of Staff, St. Mary's Medical Center
Chief, Interventional Cardiovascular Medicine
Education Director, Cardiology
Assistant Clinical Professor of Medicine, UCSF
Medical School: UCSF
Residency: St. Louis University and Washington University
Fellowship: Cardiology and Research: CVRI, UCSF
Board Certified: ABIM and Cardiology

C. Michael Neuwelt, MD, FACP
Rheumatology 
Education Director, Rheumatology
Clinical Professor of Medicine, UCSF
Medical School: George Washington University 
Residency: George Washington University
Fellowship: Rheumatology, George Washington University
Board Certified: ABIM & Rheumatology

Lauren Olson, MD
Primary Care Internal Medicine, Mercy Doctors' Medical Group
HIV Primary Care 
Medical School: St. George's University, School of Medicine 
Residency: St. Mary's Medical Center
Board Certified: ABIM Internal Medicine

Richard Podolin, MD, FACC
Chair, Board of Directors, St. Mary's Medical Center
Interventional Cardiovascular Medicine
Director of Echocardiography
Education Director, EKG Curriculum
Medical School: Stanford University 
Residency: University of Chicago 
Fellowship: Cardiology, UCSF
Board Certified: Cardiology

Carlos Quintana, MD
Neurology
Director, Stroke Service
Medical School: UCSD
Internship: University of Nevada
Residency: UC Davis
Fellowship: Sleep/Epilepsy, UC Davis
Board Certified: Neurology

John Selle, DO 
Primary Care Internal Medicine
Assistant Director of Ambulatory Care, St. Mary’s Medical Center
Medical School: Western University of Health Sciences
Residency: St. Mary’s Medical Center
Board Certified: ABIM, Internal Medicine

Yalda Shahram, MD
Hospital Medicine
Assistant Professor of Medicine, UCSF  
Medical School: New York Medical College
Residency: Kaiser Permanente Oakland Medical Center, Internal Medicine 
UCSF Diversity, Equity, and Inclusion Champion Training.       
Board Certified: ABIM Internal Medicine

Bao Tran, MD  
Interventional Cardiology
Medical Director, Structural Heart Program 
Medical School: University of Pennsylvania  
Residency: UCSF
Fellowship(s):
   - Cardiology, UCLA
   - Interventional Cardiology, Kaiser Permanente, SoCal
Board Certified: ABIM and Cardiology

Mark Wakasa, MD
Chair, Department of Physical Medicine and Rehabilitation
Director, Rehabilitation Services
Clinical Professor of PM&R, Stanford University
Medical School: Loyola University Stritch, Chicago
Residency: Resurrection Medical Center, Chicago, and Stanford University
Board Certified: Physical Medicine and Rehabilitation

Robert Weber, MD
Hematology-Oncology
Director, Cancer Center, SMMC
Education Director, Hematology-Oncology
Associate Director, Northern California Melanoma Center, SMMC
Medical School: University of St Louis School of Medicine
Residency: UC Davis Medical Center
Fellowship: Hematology/Oncology, Scripps Clinic, San Diego
Board Certified: Hematology and Oncology

Shen Wen, MD
Hospitalist Medicine
Associate Professor of Medicine, UCSF
Medical School: Sichuan University, Chengdu, Sichuan
Residency: St. Mary’s Medical Center
UCSF- Diversity, Equity, and Inclusion Champion Training
Board Certified: ABIM Internal Medicine