Digestive and Liver Diseases Faculty

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Advanced Practice Providers | Volunteer Faculty

Division Chief

Dr. Ezra Burstein

Ezra Burstein, M.D., Ph.D.
Professor
Internal Medicine and Molecular Biology
Division Chief, Digestive and Liver Diseases
Program Director, T-32 Fellowship Program
Research Lab


Division Faculty

A

Dr. Ariel Aday

Ariel Aday, M.D.
Assistant Professor
Associate Program Director, Gastroenterology Fellowship Program


Dr. Balaji Ayyar

Balaji Ayyar, M.D.
Faculty Associate
Clinical Center at Las Colinas


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B

Dr. Divya Bhatt

Divya Bhatt, M.D.
Assistant Professor


Dr. Moheb Boktor

Moheb Boktor, M.D.
Assistant Professor


Dr. Jeffrey D. Browning

Jeffrey D. Browning, M.D.
Professor
School of Health Professions and Internal Medicine
Chairman, Department of Clinical Nutrition, School of Allied Health


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C

Dr. Lisa Casey

Lisa Casey, M.D.
Associate Professor


photo of Dr. Timothy Chiu

Yiu-Ting "Timothy" Chiu, M.D.
Faculty Associate
Clinical Center at Texas Health Frisco


photo of Dr. Thomas Cotter

Thomas G. Cotter, M.B.B.Ch.
Assistant Professor


Dr. Byron L. Cryer

Byron L. Cryer, M.D.
Professor
Associate Dean for Faculty Diversity and Development



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D

Dr. Kerry Dunbar

Kerry Dunbar, M.D., Ph.D.
Associate Professor
Dallas VA Medical Center
Associate Program Director, Residency Program
Section Chief, Dallas VA Medical Center


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E

Dr. Daniel Ellis

Daniel Ellis, M.D.
Assistant Instructor


Dr. Benjamin Elsbernd

Benjamin L. Elsbernd, M.D.
Assistant Professor
Dallas VA Medical Center


Dr. Luke Engelking

Luke Engelking, M.D., Ph.D.
Associate Professor
Internal Medicine, Center for Human Nutrition, and  Molecular Genetics
Research Lab


Dr. Ngozi Enwerem

Ngozi Enwerem, M.B.B.S.
Assistant Professor
Dallas VA Medical Center


Dr. Magdalena Espinoza

Magdalena Espinoza, M.D.
Faculty Associate
Clinical Center at Texas Health Frisco


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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


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G

Dr. Sravanya Gavini

Sravanya Gavini, M.D.
Assistant Professor
Director, Motility


Dr. Markus Goldschmeidt

Markus Goldschmiedt, M.D.
Assistant Professor


Dr. Lafaine Grant

Lafaine Grant, M.D.
Associate Professor


Dr. Linsheng Guo

Linsheng Guo, M.D.
Assistant Professor
Dallas VA Medical Center


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H

Dr. William V. Harford

William V. Harford, M.D.
Professor
Dallas VA Medical Center
Director of Endoscopy, Dallas VA Medical Center



Dr. Jay Horton

Jay Horton, M.D.
Professor
Center for Human Nutrition, Internal Medicine, and Molecular Genetics
Director, Center for Human Nutrition


Dr. Yujin Hoshida

Yujin Hoshida, M.D., Ph.D.
Associate Professor
Director, Translational Research of the HCC Program
Research Lab


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I

Dr. Rodney Infante

Rodney Infante, M.D., Ph.D.
Assistant Professor
Center for Human Nutrition and Department of Internal Medicine


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K

Dr. Thomas A. Kerr

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


Dr. Nisa Kubiliun

Nisa Kubiliun, M.D.
Associate Professor
Clinical Chief-Internal Medicine
Medical Director, Endoscopy Services at University Hospitals
Medical Director, GI Services at Texas Health Hospital Frisco
Medical Co-Director, Simmons Comprehensive Cancer Center Genetic Counseling Program


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L


Dr. Sarah Lieber

Sarah Lieber, M.D.
Assistant Professor


Dr. Shuzhen Liu

Shuzhen Liu, Ph.D.
Instructor


Dr. Shuzhen Liu

Amy Lo, M.D.
Assistant Professor


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M

Dr. Ravikanth Maddipati

Ravikanth Maddipati, M.D.
Assistant Professor
Internal Medicine and Children’s Medical Center Research Institute
Research Lab


Dr. Willis Maddrey

Willis C. Maddrey, M.D.
Professor Emeritus
Assistant to the President



Dr. Christian Mayorga

Christian Mayorga, M.D.
Associate Professor
Associate Clinical Chief, Digestive and Liver Diseases
Senior Medical Director, Medical Specialty Services at Parkland Health & Hospital System
Medical Director, Endoscopy Laboratory at Parkland Health & Hospital System


Dr. Khurram Mazhar

Khurram Mazhar, M.D.
Assistant Professor
Dallas VA Medical Center


Dr. Mack Mitchell

Mack Mitchell, M.D.
Professor
Clinical Affairs and Internal Medicine
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
Program Director, Gastroenterology Fellowship Program
Medical Director, Living-Related Transplant Program


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N

Dr. Ayaz Najafov

Ayaz Najafov, Ph.D.
Assistant Professor


Dr. Diane Nguyen

Diane Nguyen, M.D.
Assistant Professor


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O

photo of Dr. John Okwara

Chinemerem "John" Okwara, M.D.
Assistant Professor


Dr. Jacqueline O'Leary

Jacqueline O'Leary, M.D.
Associate Professor
Dallas VA Medical Center


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P

Dr. Neha Patel

Neha Patel, M.D.
Assistant Professor


Dr. Mark Pedersen

Mark Pedersen, M.D.
Assistant Professor
Director of the Medical Student GI Course 


Dr. Daniel K. Podolsky

Daniel K. Podolsky, M.D.
Professor
Office of the President and Internal Medicine
President, UT Southwestern Medical Center


Dr. Venuprasad Poojary

Venuprasad Poojary, Ph.D.
Associate Professor
Internal Medicine and Immunology
Research Lab


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R

Dr. Hans-Christian Reinecker

Hans-Christian Reinecker, M.D.
Associate Professor
Internal Medicine, Center for Genetics of Host Defense, and Immunology
Research Lab


Dr. Nicole Rich

Nicole Rich, M.D.
Assistant Professor


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S

Dr. Tarak Sawas

Tarek Sawas, M.D.
Assistant Professor


Dr. Shawn Shah

Shawn Shah, M.D.
Assistant Professor
Dallas VA Medical Center


Dr. Amit Singal

Amit Singal, M.D.
Professor
Internal Medicine and Population and Data Sciences
Director, Clinical Research
Medical Director, PHHS 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.
Faculty Associate
Clinical Center at Park Cities


Dr. Greta Szabo

Greta Szabo, M.D.
Assistant Professor


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T

Dr. Anna Tabakkoli

Anna Tavakkoli, M.D.
Assistant Professor
Internal Medicine and Population and Data Sciences


Dr. Dwain Thiele

Dwain L. Thiele, M.D.
Professor
Office of the President and Internal Medicine
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


Dr. Emre Turer

Emre Turer, M.D., Ph.D.
Assistant Professor
Center for Genetics of Host Defense, Immunology, and Internal Medicine
Research Lab


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V

Dr. Dutch Vanderveldt

Hendrikus (Dutch) S. Vanderveldt, M.D.
Assistant Professor
Program Director, Advanced Endoscopy Fellowship Program


Dr. Roopa Vemulapalli

Roopa Vemulapalli, M.D.
Associate Professor
Medical Director, Digestive Diseases Clinic


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W

Dr. Howard J. Weiner

Howard J. Weiner, M.D.
Assistant Professor


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Z

Dr. Shijia Zhu

Shijia Zhu, Ph.D.
Assistant Professor

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Advanced Practice Providers

Volunteer Teaching Faculty

Amit P. Desai, M.D.
Clinical Instructor

Son Do, M.D.
Clinical Assistant Professor

Mark Feldman, M.D.
Clinical Professor

Rajeev Jain, M.D.
Clinical Associate Professor

Robert Perrillo, M.D.
Adjunct Professor

Kimberly Persley, M.D.
Clinical Assistant Professor

Ruben Ramirez-Vegas, M.D.
Clinical Instructor

Don Rockey, M.D.
Adjunct Professor

Kai Xia, M.D.
Clinical Associate Professor