Faculty

Boris Blechacz, MD

Clinical Associate Professor
Boris.Blechacz@va.gov
Departments & Divisions
Department of Medicine
Division of Gastroenterology

Prabhleen Chahal, MD, MASGE, FACG

Clinical Professor
Steven Schenker Distinguished Professorship in Medicine
Chief, Division of Gastroenterology and Nutrition

Departments & Divisions
Department of Medicine
Division of Gastroenterology

Elizabeth Coss, MD

Adjoint Assistant Professor
elizabeth.coss@va.gov
Departments & Divisions
Department of Medicine
Division of Gastroenterology

Programs
M.D. in Doctor of Medicine

Souleymane Diallo, DO

Clinical Faculty Associate
diallo@uthscsa.edu
Departments & Divisions
Department of Medicine
Division of Gastroenterology

Juan Echavarria, MD

Associate Professor/Clinical
210-567-4611
echavarriaj@uthscsa.edu
Departments & Divisions
Department of Medicine
Division of Gastroenterology

Programs
M.D. in Doctor of Medicine

Matheus Franco, MD, MBA, MSc, PhD

Associate Professor/Clinical
Director of Endoscopy. Multispecialty and Research Hospital
Director of Third Space Endoscopy
FrancoM2@uthscsa.edu
Departments & Divisions
Department of Medicine
Division of Gastroenterology

Rajat Garg, MD

Assistant Professor/ Clinical
Program Director, Advanced Endoscopy Fellowship

Departments & Divisions
Department of Medicine
Division of Gastroenterology

Programs
M.D. in Doctor of Medicine

Andrew Han, MD

Assistant Professor/Clinical
Andrew.Han@va.gov
Departments & Divisions
Department of Medicine
Division of Gastroenterology

Anastacio Hoyumpa, MD

Professor Emeritus
hoyumpa@uthscsa.edu
Departments & Divisions
Department of Medicine
Division of Gastroenterology

Carmen Landaverde, MD

Assistant Professor of Medicine, Transplant Hepatologist
Texas Liver Institute Hepatologist
landaverde@uthscsa.edu
Departments & Divisions
Department of Medicine
Department of Surgery
Division of Gastroenterology

Sarah Lapey, MD

Associate Professor/Clinical
lapey@uthscsa.edu
Departments & Divisions
Department of Medicine
Division of Gastroenterology

Programs
M.D. in Doctor of Medicine

Eric Lawitz, MD

Clinical Professor
Transplant Hepatologist
Texas Liver Institute Hepatologist
lawitz@uthscsa.edu
Departments & Divisions
Department of Medicine
Division of Gastroenterology

Gabriel Magraner, MD

Professor/Clinical

Departments & Divisions
Division of Gastroenterology

Sarah Marucci, MD

Assistant Professor/Clinical
Associate Program Director, Gastroenterology Fellowship
Marucci@uthscsa.edu
Departments & Divisions
Department of Medicine
Division of Gastroenterology

Programs
M.D. in Doctor of Medicine

Shams Merchant, FNP

Specialist
merchants@uthscsa.edu
Departments & Divisions
Department of Medicine
Division of Gastroenterology