TTUHSC Paul L. Foster School of Medicine
Internal Medicine

Internal Medicine

Faculty

Aamer Abbas, M.D.

Assistant Professor
Interventional Cardiology



Zainul Abedin, M.D.

Clinical Professor of Medicine

Ogechika K. Alozie, M.D., MPH

Assistant Professor
Infectious Disease

Keith Barnes, P.A.

Faculty Associate

Pedro Blandon, M.D.

Assistant Professor
Residency Program Director
Division of Nephrology

Tamis Bright, M.D.

Assistant Professor
Associate Program Director

Jose Burgos, M.D.

Instructor of General Medicine

Paul Casner, M.D.

Professor
General Medicine

William M. Chamberlin, M.D.

Associate Professor
Gastroenterology

Javier Corral, M.D.

Assistant Professor and Division Chief
Hematology/Oncology

Harry E. Davis II, M.D.

Associate Professor
Vice Chair for Education

Claudia Didia, M.D.

Assistant Professor
General Medicine

Juan Figueroa, M.D.

Assistant Professor
Division of Pulmonary and Critical Care Medicine

Rhonda Fleming, M.D.

Assistant Professor
Infectious Diseases

Maureen D. Francis, M.D., F.A.C.P.

Division Chief of General Internal Medicine
Associate Program Director

Sumit Gaur, M.D.

Assistant Professor
Division of Hematology/Oncology

Rafael Gonzalez-Ayala, M.D.

Assistant Professor

Richard Guerrero, M.D.

Assistant Professor
Division of Gastroenterology

David C. Gough, M.D.

Associate Professor
Cardiology

Rosa Guerrero, M.D.

Nurse Practitioner
Hematology/ Oncology

German Hernandez, M.D.

Assistant Professor
Nephrology and Hypertension

Jesus A. Hernandez, M.D.

Associate Professor
Division of Gastroenterology

Nina J. Herzog, MSN,

ACNP
Cardiology

Tariq Siddiqui, M.D

Assistant Professor
Director of Interventional Cardiology

Harold W. Hughes, M.D.

Associate Professor and Chief
Division of Pulmonary and Critical Care Medicine

Omosalewa Lalude, M.D.

Assistant Professor
Cardiology

Cielo Manriquez, MD

Assistant Professor
Division of General Medicine

Luis A. Martin, M.D.

Assistant Professor
Division of General Medicine

Jorge I. Martinez-Lopez, M.D.

Professor
Cardiology

Armando D. Meza, M.D.

Associate Dean
Graduate Medical Education

Adrian A. Michael, M.D.

Assistant Professor
Division of Rheumatology

Richard W. McCallum, M.D.

Professor
Gastroenterology

Debabrata Mukherjee, M.D.

Chief Cardiovascular
Professor and Acting Chair

Zeina Nahleh, M.D., F.A.C.P.

Associate Professor
Chief Division of Hematology/Oncology

Azikiwe Nwosu, M.D.

Associate Professor and Chief
Division of Nephrology

Mohamed Othman, M.D.

Associate Professor
Division of Gastroenterology

Kanchan Pema, M.D.

Associate Professor
Division of Rheumatology

Mateo Porres Aguilar, MD

Assistant Professor
Academic Internist and Hospitalist

Manuel Rivera, M.D.

Professor
Division of Pulmonary and Critical Care Medicine

Roberta Romero, FNP-C

Family Nurse Practitioner
Division of Gastroenterology

Zinnia San Juan, M.D.

Associate Professor
Division of Endocrinology

Irene Sarosiek, MD, FACG

Associate Professor
Director of GI Motility
Neurostimulation Research

Jerzy Sarosiek, MD, PhD, AGAF, FACG

Associate Chairman for Research
Professor of Medicine and Director

Pedro Serrato, M.D.,

Assistant Professor
Clinic Medical Director

Vani Shukla, M.D

Assistant Professor
Division of General Medicine

Ramin Tolouian, M.D.

Assistant Professor
Division of Nephrology

Javier Vasallo, M.D.

Assistant Professor
Division of General Medicine

Marc J. Zuckerman M.D.

Professor and Chief
Division of Gastroenterology