The Department of Internal Medicine is the oldest and largest department in the University of Michigan Medical School. Within our 13 divisions are more than 800 dedicated faculty members and over 310 residents and fellows – all dedicated to advancing patient care, education, and research.
The University of Michigan Health continues to be #1 in the state and one of the leading adult hospitals in the nation as ranked by U.S. News & World Report for 2022-2023, with six of our medical-affiliated specialty service lines ranked nationally. In addition, U-M Health was given the U.S. News & World Report Honor Roll distinction, the only one given in the state, for the seventh consecutive year. In addition, the U-M reported a record $1.72 billion in research expenditures during fiscal year 2022. Of this, the Department of Internal Medicine was responsible for $269.2 million. In addition, the department published more than 3,946+ research publications.
Our Mission
- To enhance and preserve the lives of our patients by offering them the most advanced, comprehensive, and compassionate care.
- To continually learn how to become better clinicians, researchers, and leaders and offer this knowledge to train healthcare professionals within our organization, our community, and around the globe.
- To translate research, conducted at the highest scientific standards, into meaningful improvements in health outcomes.
- To recruit a diverse medical team who believe in and will be dedicated to advancing our mission.
- To be good stewards of all the resources which have been entrusted to us.
Leadership
Interim Chair, Department of Internal Medicine

Raymond Yung, MB, ChB
Interim Chair and Professor, Department of Internal Medicine
Jeffrey B. Halter MD Collegiate Professor of Geriatric Medicine
Director, Geriatrics Center and Institute of Gerontology
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Vice Chairs

Julie Bynum, MD, MPH
Faculty Affairs

Kevin Chan, MD
Clinical Experience & Quality

John Del Valle, MD
Graduate Medical Education

Scott Flanders, MD
External Relations

Cyril Grum, MD
Undergraduate Medical Education

J. Michelle Kahlenberg, MD, PhD
Basic & Translational Research

Michael Lukela, MD
Diversity, Equity, Inclusion, and Well-Being

Rodica Pop-Busui, MD, PhD
Clinical & Health Services Research

Sanjay Saint, MD, MPH
Veterans Affairs
Associate Vice Chairs

Sarah Gualano, MD
Diversity, Equity, Inclusion, and Well-Being

Megan Mack, MD
Inpatient & Hospital

Julie Wright-Nunes, MD, MPH
Quality and Innovation
Division Chiefs

Allergy and Clinical Immunology Division
James Baldwin, MD

Cardiovascular Medicine Division
John Bisognano, MD, PhD (Interim Division Chief)

Gastroenterology and Hepatology Division
William Chey, MD

General Medicine Division
Eve Kerr, MD, MPH

Genetic Medicine Division
Tobias Else, MD (Interim Division Chief)

Geriatric and Palliative Medicine Division
Lona Mody, MD, MSc (Interim Division Chief)

Hematology and Oncology Division
N. Lynn Henry, MD, PhD (Interim Division Chief)

Hospital Medicine Division
Stephanie Parks Taylor, MD, MSc

Infectious Diseases Division
Powel Kazanjian, MD, PhD

Metabolism, Endocrinology & Diabetes Division
Peter Arvan, MD, PhD

Nephrology Division
Subramaniam Pennathur, MD

Pulmonary & Critical Care Medicine Division
MeiLan Han, MD, MS

Rheumatology Division
John Varga, MD
Directors
- Chief Administrative Officer, Musty Habhab
- Director of Administrative Operations, Jolena Nollar
- Director of Clinical Affairs, Kendra Brown
- Director of Finance, Eric Mullen