Department of Internal Medicine

Where Advanced Patient Care, Education, and Research Intersect

More than 1,000 faculty guide over 300 residents and fellows within 13 divisions in the largest clinical department of the University of Michigan Medical School. Together we care for more than half of the patients in one of the leading adult hospitals in the nation.

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170+ Years of Cutting-Edge Care

Since 1848, we have dedicated ourselves to serving patients with advanced, comprehensive, and compassionate care. That mission leads our continuous pursuit of knowledge, recruitment of a diverse, dedicated team, and the translation of research into meaningful health outcomes.

Are you a patient or caregiver?

ABOUT

Learn more about the oldest and largest department of Michigan’s number one hospital.

EDUCATION

At the heart of everything we do is education - training the next generation of world-class health care providers, researchers and educators.

RESEARCH

Our research community is united in identifying and implementing real solutions that transform the lives of our patients.

PEOPLE

Search our ranks of over 1,000 dedicated faculty members who lead and provide the superior care, training and research we're known for.

PATIENT CARE

Explore our resources for patients, visitors and referring providers.

GIVING

From donating to a specific division to supplementing the care of local patients, make an impact where it matters most to you.

Internal Medicine Divisions

Each of our divisions provides the highest standard of care, using research and our collaborative medical community to achieve better health outcomes for our patients.
  • Allergy & Clinical Immunology
  • Cardiovascular Medicine
  • Gastroenterology & Hepatology
  • General Medicine
  • Genetic Medicine
  • Geriatric & Palliative Medicine
  • Hematology & Oncology
  • Hospital Medicine
  • Infectious Diseases
  • Metabolism, Endocrinology & Diabetes
  • Nephrology
  • Pulmonary & Critical Care Medicine
  • Rheumatology

    • Join Our Weekly Grand Rounds

    Grand Rounds take place on Fridays from noon-1:00 pm (EST) via Zoom.

    Learn about Grand Rounds
    USNWR 2026-2027 badge

    U-M Health Ranks Among Nation’s Best

    University of Michigan Health was recognized as the #1 hospital in Michigan and achieved the Best Hospitals Honor Roll among the top 20 best hospitals in the nation by U.S. News & World Report.

    Learn More About Our Rankings

    Stay Connected With Internal Medicine
    Michigan Medicine, Internal Medicine Chair, Dr. Timothy Blackwell

    Timothy Blackwell, MD, Chair of the Department of Internal Medicine, invites you to explore the 2024–2025 Review, showcasing the department’s accomplishments and sustained contributions to advancing research, education, and patient-centered care.

    Explore the 2024-2025 Review

    Join Our Team

    The Department of Internal Medicine is dedicated to providing high-quality patient care and medical education and conducting innovative and relevant research.

    Explore Our Open Positions
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    By the Numbers in FY2026
    671,212
    Outpatient Visits
    20,425
    Hospital Discharges
    $199.6M
    Research Support Obtained
    4,000
    Peer-Reviewed Articles Published

    Featured News & Stories

     See all news     Dr. James Henderson
    Department News

    Faculty Spotlight: Dr. James Henderson - Improving healthcare through the power of data

    Meet Dr. James Henderson, assistant research scientist in the Division of General Medicine. Learn more about his research on using large-scale datasets, like EHR data, to evaluate interventions and improve healthcare delivery.
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    Health Lab

    Study overturns 100-year-old assumption about common bacteria in the lungs

    A new U-M study overturns a 100-year-old assumption about one common bacterial resident of the lungs, Prevotella melaninogenica.
         The Bonnell family, including Laura, Michael, and their two daughters, Emily and Molly, seated together with a golf course in the background.
    Philanthropy News

    From journalist to parent to advocate

    The Bonnell Foundation's latest gift to Michigan Medicine's Division of Pediatric Pulmonology will support the next generation of leaders and experts in pursuing research and educational projects related to cystic fibrosis and global health.
         H. David Humes, MD
    Medical School News

    H. David Humes, MD, named 2026 Distinguished University Innovator of the Year

    H. David Humes, MD, is being awarded this year’s Distinguished University Innovator of the Year. The award is the highest honor for U-M faculty members who have developed transformative ideas, processes or technologies and shepherded them to market for broad societal impact.
         AHA Honor Roll
    Department News

    U-M Health Earns AHA Honor for Aortic Stenosis Care

    The University of Michigan Health System has been recognized by the American Heart Association for achieving the Target: Aortic Stenosis™ Honor Roll award through its commitment to improving care for this undertreated heart valve disease.
         woman on phone taking notes
    Health Lab

    7 things every family caregiver should know – but many don’t

    A guide to many community resource, and state and federal programs, that University of Michigan polls show caregivers to older adults and people with disabilities often don’t know about.

    Department of Internal Medicine Internal Website

    Resources and information for current Internal Medicine faculty, staff and learners.

    Internal Medicine Intranet