Skip to Main

Program Leadership

Thomas J. Wang, M.D.

Thomas J. Wang, M.D.

Professor and Chair

  • Department of Internal Medicine

UT Southwestern is a premier institution with a storied history that is in the midst of an exciting period of growth. With three diverse clinical training sites, residents can expect to develop excellent clinical acumen while interacting with world-class faculty, many of whom are pioneers in their respective fields. The Department of Internal Medicine has a legacy of commitment to innovation, and there are abundant opportunities for residents to engage with research and clinical pursuits. Under the leadership of Dr. Salahuddin "Dino" Kazi, the Associate Program Directors and Chief Residents, the residency program continues to embody the spirit of scientific pursuit and of service.

Our program reflects the many perspectives and backgrounds that enable all trainees to reach their full potential while using their individuality to deliver excellence in health care, education, and research. The success of our Department is a direct result of the close ties between the housestaff and our outstanding clinical faculty and at UT Southwestern, we are dedicated to training future leaders and delivering excellent care across the spectrum. Learn more about our leadership below.

2025-2026 Chief Residents

Paige Della-Penna, M.D.

  • Medical School: University of North Carolina at Chapel Hill School of Medicine

Jimin Hwang, M.D.

  • Medical School: Yonsei University College of Medicine

Blake Lackey, M.D.

  • Medical School: McGovern Medical School at UT Health Science Center at Houston

Dimitri Maamari, M.D.

  • Medical School: American University of Beirut

Reshma Narain, M.D.

  • Medical School: UT Southwestern Medical Center

Marissa Peyer, M.D.

  • Medical School: Duke University School of Medicine
 

Associate Program Directors

Sujata Bhushan, M.D.

Sujata Bhushan, M.D.

Associate Professor

  • Division of General Internal Medicine
  • Medicine-Psychiatry Program
a woman with dark brown hair

Indira Bhavsar-Burke, M.D.

Assistant Professor

  • Division of Digestive and Liver Diseases
  • Curriculum Development
a woman with dark hair wearing glasses

Shivani Desai, M.D.

Assistant Professor

  • Division of General Internal Medicine
  • Primary Care Training
a woman with light brown hair

Deborah Freeland, M.D.

Associate Professor

  • Division of Geriatric Medicine
  • Health Systems Track and the Combined Geriatrics-Internal Medicine Track
a woman with long light brown hair

Maddie Kubiliun, M.D.

Assistant Professor

  • Division of Digestive and Liver Diseases
  • Resident Recuritment
Dale Okorodudu, M.D.

Dale Okorodudu, M.D.

Associate Professor

  • Division of Pulmonary and Critical Care
Ambarish Pandey, M.D.

Ambarish Pandey, M.D.

Assistant Professor

  • Division of Cardiology
  • Resident Research
Christiana Renner, M.D.

Christiana Renner, M.D.

Associate Professor

  • Division of Hospital Medicine
Madeline Rodriguez, M.D.

Madeline Rodriguez, M.D.

Assistant Professor

  • Division of General Internal Medicine
  • Medical Education Track
Rosechelle Ruggiero, M.D.

Rosechelle Ruggiero, M.D.

Associate Professor

  • Division of Pulmonary and Critical Care
  • Mentorship and Residency Recruitment
Sarah Wingfield, M.D.

Sarah Wingfield, M.D.

Assistant Professor

  • Division of Geriatric Medicine

Associate Director of Education

Dr. Shannon Scielzo wearing a black jacket and a white shirt standing in the Clements University Hospital lobby

Shannon Scielzo, Ph.D.

Associate Professor

  • Division of General Internal Medicine
  • Evaluation and Assessment Analyst