Residency Program Leadership

Tammy Wichman, MD

Program Director
Professor, Pulmonary, Critical Care & Sleep Medicine

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Trek Langenhan, MD

Associate Program Director
Assistant Professor, Hospital Medicine

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Chad Vokoun, MD

Associate Program Director
Division Chief, Hospital Medicine
Associate Professor, Hospital Medicine

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Rae Witt, MD

Associate Program Director
Assistant Professor, General Internal Medicine

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Brian Delaney, MD

Associate Program Director, Omaha VA
Assistant Professor, Internal Medicine

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Remy Sass, MD

UNMC Chief Resident

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Brett Begley, MD

VA Chief Resident

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Nick Yeutter, MD

Ambulatory Chief Resident

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Debra Wekesa, MD

Scholarship and Patient Safety Chief Resident

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Allison Ashford, MD, FAAP, FACP, FHM

Assistant Professor, UNMC Division of Hospital Medicine
Program Director, UNMC Internal Medicine-Pediatrics Residency

Kaitlyn M. Brittan, MD

Assistant Professor, UNMC Division of Rheumatology

Amy Dreessen, MD

Assistant Professor, UNMC Division of General Internal Medicine

Kathryn Hutchins, MD, FACG

Assistant Professor, UNMC Division of Gastroenterology and Hepatology
Gastroenterology Faculty
Program Director, UNMC Gastroenterology and Hepatology Fellowship

Jasmine R. Marcelin, MD, FACP, FIDSA

Vice Chair of Belonging and Community Engagement, UNMC Department of Internal Medicine
Associate Professor, UNMC Division of Infectious Diseases
Associate Medical Director, Antimicrobial Stewardship Program

Phone: 402-559-8650
Fax: 402-559-5581

Ryan Mullane, DO

Associate Professor, UNMC Division of Nephrology

Phone: 402-559-9227
Fax: 402-559-9504

Cory Rohlfsen, MD

Assistant Professor, UNMC Division of General Internal Medicine

Regan Taylor, MD

Assistant Professor, UNMC Division of General Internal Medicine

Trevor Van Schooneveld, MD

Professor, UNMC Division of Infectious Diseases
Program Director, UNMC Infectious Diseases Fellowship
Associate Medical Director, Infection Control and Epidemiology
Medical Director, Antimicrobial Stewardship Program

Phone: 402-559-8650
Fax: 402-559-5581

Andrew Vasey, MD

Associate Professor, UNMC Division of General Internal Medicine

Jill Zabih, MD

Assistant Professor, UNMC Division of Hospital Medicine

Stephanie Wichman

Residency Program Coordinator

Glenda Cole, BS, MBA

Educational Programs Coordinator

Stephanie Hooten

Education Program Administrator