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Digestive and Liver Diseases Faculty

Division Chief

Dr. Ezra Burstein

Ezra Burstein, M.D., Ph.D.

Division Chief and Professor

  • Berta M. and Cecil O. Patterson Chair in Gastroenterology
  • Program Director, T-32 Fellowship Program
  • Medical School: Cayetano Heredia Peruvian University
  • Residency: Internal Medicine, UT Southwestern
  • Fellowship: Gastroenterology, University of Michigan Hospitals & Health Centers
  • Graduate School: Molecular Genetics, University of Groningen

Research Lab

Division Faculty

A

Dr. Ariel Aday

Ariel Aday, M.D.

Assistant Professor

  • Program Director, Gastroenterology Fellowship Program
Dr. Amisha Ahuja

Amisha Ahuja, M.D.

Assistant Professor

Dr. Amin Amin

Amin Amin, M.D.

Assistant Professor

B

Dr. Divya Bhatt

Divya Bhatt, M.D.

Assistant Professor

  • Endoscopy Chief at Dallas VA Medical Center
Dr. Indira Bhavsar-Burke

Indira Bhavsar-Burke, M.D.

Assistant Professor

  • Associate Program Director, Gastroenterology Fellowship Program
Dr. Moheb Boktor

Moheb Boktor, M.D.

Associate Professor

  • Associate Program Director, Gastroenterology Fellowship Program and Accelerated IBD Track
Dr. Jeffrey D. Browning

Jeffrey D. Browning, M.D.

Professor

  • Chairman, Department of Clinical Nutrition, School of Allied Health

C

Dr. Lisa Casey

Lisa Casey, M.D.

Associate Professor

photo of Dr. Thomas Cotter

Thomas G. Cotter, M.D.

Assistant Professor

D

Dr. Kerry Dunbar

Kerry Dunbar, M.D., Ph.D.

Professor

  • Section Chief, Dallas VA Medical Center
  • Associate Program Director, Residency Program

E

Dr. Daniel Ellis

Daniel Ellis, M.D.

Assistant Professor

Dr. Benjamin Elsbernd

Benjamin L. Elsbernd, M.D.

Assistant Professor

  • Associate Program Director, Gastroenterology Fellowship Program
  • Practice Site: Dallas VA Medical Center
Dr. Ngozi Enwerem

Ngozi Enwerem, M.B.B.S.

Assistant Professor

  • Practice Site: Dallas VA Medical Center
Dr. Magdalena Espinoza

Magdalena Espinoza, M.D.

Clinical Assistant Professor

  • Practice Site: UT Southwestern Frisco

F

Dr. Greg Fitz

J. Gregory Fitz, M.D.

Professor

  • Office of the President and Internal Medicine
  • Special Assistant to the President
Dr. David Fudman

David Fudman, M.D.

Assistant Professor

  • Quality Officer-Internal Medicine
  • Director of the IBD Clinic

G

Dr. Sravanya Gavini

Sravanya Gavini, M.D.

Associate Professor

  • Director, Motility
Dr. Markus Goldschmeidt

Markus Goldschmiedt, M.D.

Clinical Associate Professor

  • Director of Third Space Endoscopy
Dr. Lafaine Grant

Lafaine Grant, M.D.

Associate Professor

  • Clinical Director of Hepatology at Parkland Memorial Hospital
Dr. Linsheng Guo

Linsheng Guo, M.D.

Clinical Assistant Professor

  • Practice Site: Dallas VA Medical Center

H

Dr. Jay Horton

Jay Horton, M.D.

Professor

  • Director, Center for Human Nutrition
Dr. Yujin Hoshida

Yujin Hoshida, M.D., Ph.D.

Professor

  • Director, Translational Research of the HCC Program

Research Lab

I

K

Dr. Thomas A. Kerr

Thomas A. Kerr, M.D., Ph.D.

Associate Professor

  • Medical Director, Hepatology Clinics
  • Director of Outreach Programs
Dr. Maddie Kubiliun

Maddie Kubiliun, M.D.

Assistant Professor

Dr. Nisa Kubiliun

Nisa Kubiliun, M.D.

Associate Professor

  • Clinical Chief, Digestive & Liver Diseases
  • Medical Director, Endoscopy Services at University Hospitals
  • Medical Co-Director, Simmons Comprehensive Cancer Center Genetic Counseling Program
Dr. Vincent Kuo

Vincent C. Kuo, M.D.

Clinical Assistant Professor

  • Practice Site: UT Southwestern Frisco

L

Dr. Maria R. Lepe-Suastegui

Maria Lepe-Suastegui, M.D.

Assistant Professor

  • Practice Site: Texas Health Dallas
Dr. Xi Li

Xi Li, Ph.D.

Instructor

Dr. Sarah Lieber

Sarah Lieber, M.D.

Assistant Professor

Dr. Shuzhen Liu

Shuzhen Liu, Ph.D.

Instructor

Dr. Ernesto Llano

Ernesto Llano, M.D.

Instructor

Dr. Amy Lo

Amy Lo, M.D.

Assistant Professor

  • Associate Medical Director of Endoscopy Medical Services at Clements University Hospital
Dr. Jeremy Louissaint, M.D.

Jeremy Louissaint, M.D.

Assistant Professor

M

Dr. Ravikanth Maddipati

Ravikanth Maddipati, M.D.

Assistant Professor

  • Practice Site: Dallas VA Medical Center

Research Lab

Dr. Willis Maddrey

Willis C. Maddrey, M.D.

Professor Emeritus

Dr. Marlyn Mayo

Marlyn Mayo, M.D.

Professor

  • GI / Liver Clinic Director at Parkland Memorial Hospital
Dr. Christian Mayorga

Christian Mayorga, M.D.

Associate Professor

  • Associate Clinical Chief, Digestive and Liver Diseases
  • Senior Medical Director, Medical Specialty Services at Parkland Memorial Hospital
  • Medical Director, Endoscopy Laboratory at Parkland Memorial Hospital
Dr. Khurram Mazhar

Khurram Mazhar, M.D.

Clinical Associate Professor

  • Clinic Medical Director, Dallas VA Medical Center
Dr. Mack Mitchell

Mack Mitchell, M.D.

Professor

  • Vice-President for Medical Affairs at UT Southwestern
Dr. Rozina Mithani

Rozina Mithani, M.D.

Associate Professor

Dr. Arjumand Mufti

Arjmand Mufti, M.D.

Associate Professor

  • Medical Director of Liver Transplant Program 

N

Dr. Ayaz Najafov

Ayaz Najafov, Ph.D.

Assistant Professor

Dr. Diane Nguyen

Diane Nguyen, M.D.

Assistant Professor

Dr. Josephine Ni

Josephine Ni, M.D.

Assistant Professor

Research Lab

O

Dr. Jacqueline O'Leary

Jacqueline O'Leary, M.D.

Professor

  • Director of Hepatology, Dallas VA Medical Center
photo of Dr. John Okwara

Chinemerem "John" Okwara, M.D.

Assistant Professor

  • Practice Site: UT Southwestern Las Colinas

P

Dr. Neha Patel

Neha Patel, M.D.

Associate Professor

Dr. Suraj Patel

Suraj Patel, M.D.

Assistant Professor

Research Lab

Dr. Mark Pedersen

Mark Pedersen, M.D.

Assistant Professor

  • Co-director of MS2 GI/Nutrition Course
  • Director of Living Related Liver Transplant Program
Dr. Daniel K. Podolsky

Daniel K. Podolsky, M.D.

Professor

  • President, UT Southwestern Medical Center

R

Dr. Rekha Reddy

Rekha Reddy, M.D.

Assistant Professor

  • Practice Site: Texas Health Dallas
Dr. Nicole Rich

Nicole Rich, M.D.

Assistant Professor

  • Associate Director, Clinical Research

S

Dr. Savreet Sarkaria

Savreet Sarkaria, M.D.

Clinical Associate Professor

  • Practice Site: Texas Health Dallas
Dr. Tarak Sawas

Tarek Sawas, M.D.

Assistant Professor

  • Program Director, Advanced Endocscopy Fellowship
Dr. Dawn Sears

Dawn Sears, M.D.

Clinical Professor

Dr. Shawn Shah

Shawn Shah, M.D.

Assistant Professor

  • Practice Site: Dallas VA Medical Center
Dr. Amit Singal

Amit Singal, M.D.

Professor

  • Associate Division Chief, Digestive and Liver Diseases
  • Chief, Hepatology
  • Medical Director, Parkland Memorial Hospital Heptocellular Carcinoma
  • CCSG Program Leader (Population Sciences and Cancer Control)
Dr. Amika Singla

Amika Singla, Ph.D.

Instructor

Dr. Ioana Smith

Ioana Smith, M.D.

Clinical Assistant Professor

  • Practice Site: Medical Center at Las Colinas
Dr. Mingjun Song

Mingjun Song, M.D.

Assistant Professor

Dr. Greta Szabo

Greta Szabo, M.D.

Assistant Professor

T

Dr. Anna Tabakkoli

Anna Tavakkoli, M.D.

Assistant Professor

Dr. Dwain Thiele

Dwain L. Thiele, M.D.

Professor

  • Vice Provost and Senior Associate Dean for Faculty Affairs and Initiatives
Dr. Maria Tian

Chenlu "Maria" Tian, M.D.

Assistant Professor

Dr. Thomas Tielleman

Thomas Tielleman, M.D.

Assistant Professor

Dr. Shannan Tujios

Shannan Tujios, M.D.

Associate Professor

  • Program Director, Transplant Hepatology Fellowship Program

V

Dr. Dutch Vanderveldt

Hendrikus "Dutch" Vanderveldt, M.D.

Associate Professor

  • Health System Medical Director for Frisco Medical Center
Dr. Lisa VanWagner

Lisa VanWagner, M.D.

Associate Professor

  • Director, Clinical Research
Dr. Roopa Vemulapalli

Roopa Vemulapalli, M.D.

Associate Professor

  • Medical Director, Digestive Diseases Clinic

W

Dr. Howard J. Weiner

Howard J. Weiner, M.D.

Assistant Professor

Dr. Jennifer Wells

Jennifer Wells, M.D.

Assistant Professor

  • Practice Site: Dallas VA Medical Center

Y

Dr. Jinhai Yu

Jinhai Yu, Ph.D.

Assistant Professor

Volunteer Teaching Faculty

Son Do, M.D.
Adjunct Assistant Professor

Hesham Elgouhari, M.D.
Adjunct Assistant Professor

Omar Haq, M.D.
Adjunct Assistant Professor

Rajeev Jain, M.D.
Adjunct Associate Professor

Abdullah Mubarak, M.D.
Adjunct Instructor

Caitlin Murphy, M.D.
Adjunct Associate Professor

Ruben Ramirez-Vegas, M.D.
Adjunct Assistant Professor

Kai Xia, M.D.
Adjunct Associate Professor