Marcus Johannes Geer, MD
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Locations
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Bone Marrow Transplant & Leukemia Clinic | C. S. Mott Children's Hospital 1540 E Hospital Dr
Floor 7 Reception B
Ann Arbor, MI 48109-4257Get Directions -
Melanoma Oncology Clinic | Rogel Cancer Center 1500 E Medical Center Dr
Floor 1
Ann Arbor, MI 48109-5902Get Directions
Insurance Accepted
University of Michigan Health participates with most health insurance plans.
Education & Training
Medical School or Training
Residency
Fellowships
Board Certifications
Patient Ratings & Comments
Visit our Physician Ratings & Comments page to learn more about how patient ratings are collected, calculated, and updated to help you make an informed decision when choosing the right physician for your care.
Patient Ratings
164 Patient Ratings
Patient Comments
February 11, 2026 - "Dr Geer has earned his spot as one of my favorite doctors. He has an easy manner and provides a wealth of knowledge for his patients. [...] He is an excellent medical professional."
January 28, 2026 - "Dr. Geer was superb to talk to, extremely knowledgeable of all facets of my proposed treatment and generous with his time. Very personable!"
December 18, 2025 - "Dr. Geer very concerned about every aspect of health progress and explains thoroughly what is happening regarding symptoms, lab results, etc."
November 5, 2025 - "Dr Geer is a gentle giant. He is knowledgeable and disseminates information from multiple perspectives for me to consider. Yet, he is considerate to inquiry as to how his patient chooses to proceed. [...]"
July 2, 2025 - "Dr Geer was outstanding"
June 28, 2025 - "Dr. Geer expressed being very concerned about my health progress. He definitely takes to time to listen to my concerns and answer questions.I feel very blessed that he has overseen my treatment and progress."
May 28, 2025 - "Dr. Geer was very easy to talk to. He provided very good answers to all of our questions."
March 29, 2025 - "Dr Geer is thoughtful, patient, and compassionate doctor."
March 4, 2025 - "Dr. Geer was easy to talk to very informative. He Explained my procedure as well as I could understand it. [...]"
March 3, 2025 - "Very confident of health care being in Dr. Geer's care for this health situation. He is extremely caring and knowledgeable, expresses concern for any question or lack of understanding regarding health issue currently facing. Thankful for his heartfelt medical service."
