Faculty

Brief Bio

Moises Ilan Nevah, MD

Moises Ilan Nevah, MD

Associate Professor of Medicine
Medical Director
(GI Executive Leadership Committee)

Medical School: University of Panama Medical School
Residency: St. Luke's/Roosevelt Hospital Center Teaching Hospital, Columbia University
Fellowships: Gastroenterology, the University of Texas Health Science Center at Houston, and Advanced Transplant Hepatology, University of California, San Francisco
Area(s) of Interest: Transplant Hepatology, gastroenterology, internal medicine.

Michael Fallon, MD

Michael Fallon, MD

Professor, Tenure - Internal Medicine
Executive Director for Clinical Research
Chair, Department of Medicine
Vice Dean, Clinical Affairs

Medical School: University of Virginia School of Medicine
Internal Medicine Residency: Yale New Haven Hospital
Gastroenterology Fellowship: Yale University School of Medicine
Specialties: Complications of cirrhosis, portal hypertension management, liver transplant evaluation, chronic liver disease, upper and lower endoscopy.

Ma Ai Thanda Han, MD

Ma Ai Thanda Han, MD

Assistant Clinical Professor, Clinical Series 

Medical School: University of Medicine I, Yangon, Myanmar
Internal Medicine Residency: MedStar Good Samaritan Hospital affiliated Johns Hopkins University School of Medicine
Fellowships: Hepatology, National Institute of Health/ National Institute of Diabetes and Digestive and Kidney (NIH/NIDDK), Gastroenterology, Cedars Sinai Medical Center, and Transplant Hepatology, Mayo Clinic – Rochester
Specialties: Internal medicine, gastroenterology and hepatology, transplant hepatology.

Haripriya Maddur, MD

Haripriya Maddur, MD

Clinical Associate Professor

Medical School: University of Missouri-Kansas City
Internal Medicine Residency: University of Texas-Southwestern
Gastroenterology Fellowship: Indiana University
Transplant Hepatology Fellowship: Northwestern University
Specialties: Alcohol associated liver disease.

Rohit Nathan, DO

Rohit Nathan, DO

Assistant Clinical Professor, Clinical Series
Program Director, Transplant Hepatology Fellowship
Associate Program Director, Gastroenterology Fellowship

Medical School: Lake Erie College of Osteopathic/Millcreek Community Hospital
Internal Medicine Residency: Albert Einstein Medical Center
Gastroenterology and Transplant Hepatology Fellowship: Albert Einstein Medical Center
Specialties: Advanced liver disease, transplant hepatology, gastroenterology, upper endoscopy and colonoscopy.

Gerard Quigley, DNP

Gerard Quigley, DNP

Assistant Professor of Practice, Professor of Practice 

Medical Education: Grand Canyon University
Area(s) of Interest: Hepatology, liver transplant surgery.

David Twitchell, MD

David Twitchell, MD

Assistant Professor

Medical School: University of Utah
Residency: University of Texas Health Science Center – Internal Medicine
Specialties: Fatty liver disease, Alcoholic liver disease, Liver tumors, Primary biliary cholangitis, Primary sclerosing cholangitis, Cirrhosis.

Karn Wijarnpreecha, MD, MPH
Karn Wijarnpreecha, MD, MPH

Associate Clinical Professor, Clinical Scholar Series 

Medical School: Chiang Mai University, 2013
Internal Medicine Residency: Mary Imogene Bassett Hospital, 2018
Fellowships: Gastroenterology and Hepatology, Mayo Clinic Jacksonville, 2021
Transplant Hepatology Fellowship: Washington University School of Medicine/Barnes-Jewish Hospital
Specialties: Internal medicine, gastroenterology and hepatology, transplant hepatology, obesity medicine.

Mark Wong, MD

Mark Wong, MD

Assistant Clinical Professor, Clinical Series

Medical School: Loma Linda University School of Medicine
Internal Medicine Residency: Banner – University Medical Center Phoenix
Hepatology Fellowship: Banner – University Medical Center Phoenix
Specialties: Hepatitis B and Hepatitis C management, autoimmune liver disease, Wilson's Disease, cirrhosis, primary biliary cholangitis, primary sclerosing cholangitis, hereditary hemochromatosis, hepatocellular cancer.