Chair, Department of Internal Medicine

John M. Carethers, MD, MACP
C. Richard Boland Distinguished University Professor
John G. Searle Professor and Chair, Internal Medicine
Professor, Human Genetics
Dr. John M. Carethers received his BS degree in Biological Sciences with a minor in Chemistry from Wayne State University, and his MD with high distinction from the same institution. Dr. Carethers did his internship and residency in Internal Medicine at Massachusetts General Hospital, followed by a fellowship in gastroenterology at the University of Michigan. He was then recruited to the University of California, San Diego, where he grew his laboratory-based research in the area of DNA mismatch repair and colorectal cancer pathogenesis, and saw general medicine and gastroenterology patients. He also served as the main physician for hereditary colon cancer referrals in Southern California. His leadership roles included the gastroenterology Fellowship Director, the gastroenterology Section Chief for the San Diego VA Hospital, then Division Chief for University of California, San Diego, before being recruited to Michigan.
He was the founding Director of the NIH-funded UCSD Gastroenterology Center grant, and was the Director of the gastroenterology T32 training grant. His laboratory research continues to be funded by the NIH. Dr. Carethers also has interest in colorectal cancer disparities as it relates to genetics and outcomes. He is the former PI of the SDSU/UCSD Cancer Center Comprehensive Partnership U54 grant, which addresses cancer disparities. He has published over 165 manuscripts and book chapters. He is a Senior Associate Editor for Gastroenterology, the highest impact gastroenterology journal. He completed a 2-year appointment on the National Commission for Digestive Diseases, a U.S. Congressional Commission, after his appointment by Elias Zerhouni, MD, then Director of the National Institutes of Health. He was elected a member of the American Society for Clinical Investigation, and elected a member of the American Association of Physicians (AAP), and serves on the AAP Council. He was elected a member of the Institute of Medicine of the National Academy of Sciences in 2012.
Associate Chairs

John Del Valle, MD
Senior Associate Chair for Graduate Medical Education
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Scott Flanders, MD
Vice Chair for External Relations;
Associate Chair for Quality and Innovation
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Cyril Grum, MD
Senior Associate Chair for Undergraduate Medical Education
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Timothy Laing, MD
Senior Associate Chair for Clinical Programs
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Benjamin Margolis, MD
Associate Chair for Basic and Translational Research
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Rodica Pop-Busui, MD, PhD
Associate Chair for Clinical Research
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Sanjay Saint, MD, MPH
Senior Associate Chair for Veterans Affairs
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Richard Simon, MD
Associate Chair for Faculty Affairs
Division Chiefs
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Allergy and Clinical Immunology Division
James Baldwin, MD
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Cardiovascular Medicine Division
David Pinsky, MD
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Gastroenterology and Hepatology Division
Chung Owyang, MD
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General Medicine Division
Laurence McMahon, Jr., MD, MPH
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Genetic Medicine Division
Goutham Narla, MD, PhD
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Geriatric and Palliative Medicine Division
Raymond Yung, MB, ChB
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Hematology and Oncology Division
Pavan Reddy, MD
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Hospital Medicine Division
Vineet Chopra, MD, MSc
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Infectious Diseases Division
Powel Kazanjian, MD, PhD
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Metabolism, Endocrinology & Diabetes Division
Peter Arvan, MD, PhD
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Nephrology Division
Subramaniam Pennathur, MD
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Pulmonary & Critical Care Medicine Division
Theodore Standiford, MD
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Rheumatology Division
Raymond Yung, MB, ChB, Interim Chief
Administration

Chief Administrative Officer
Musty Habhab is the Chief Administrative Officer for the Department of Internal Medicine at Michigan Medicine. In this role, she has administrative responsibility for all medical school, ambulatory care, and hospital operations of the Department, including finances, faculty and staff human resources, grants, and facilities. After earning her degree in Accounting from the University of Northern Iowa and passing the CPA exam, Musty moved to Michigan where she gained valuable experience working in the health system’s Hospital Finance Department. She has over 16 years of experience with the Department of Internal Medicine, serving initially as the Director of Finance and then as the Associate Administrator. She is actively involved in her national organization, the Alliance for Academic Medicine, where she has a seat on the council and is president of Administrators in Internal Medicine.
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Director of Administrative Operations - Jolena Nollar
Director of Finance - Eric Mullen
Division Administrators

Allergy & Clinical Immunology, Jennifer Hawkins (Interim Administrator)
Cardiovascular Medicine, Robert Keast
Gastroenterology and Hepatology, Brandon Brogan
General Medicine, Kimberly Rize
Genetic Medicine, Dorothy Schroeder
Geriatric & Palliative Medicine, Stephanie Gatica
Hematology & Oncology, Dorothy Schroeder
Hospital Medicine, Marisa Rodgriuez
Infectious Diseases, Jennifer Hawkins
Metabolism, Endocrinology & Diabetes, Olushola Samuel
Nephrology, Giselle Ciorciari
Pulmonary & Critical Care Medicine, Carrie Brown
Rheumatology, Gary Smith
Finance and Administrative Operations Staff
Denise Bell, Space & Facilities
Judy Carrillo, Sponsored Research
Catherine Craig, Departmental Reporting & Analysis
Tammy Ellies, Quality and Improvement
Michelle Hepler, Human Resources
Silvana Janevski, Chair's Office
Leigh Moroz, Faculty Affairs
Dawn Meyer, Revenue, Hospital & Ambulatory Care Unit Analysis
Lisa Miller, Graduate Medical Education
Allison Picinotti, Marketing & Continuing Medical Education
Debra Ventura, Chair's Office