John Joseph Maciejewski, MD, PhD
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Areas of Practice
Hematopoietic Stem Cell Transplantation and Cell Therapy
Expertise
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
Insurance Accepted
University of Michigan Health participates with most health insurance plans.
Education & Training
Medical School or Training
Residency
Fellowships
Board Certifications
Professional Organizations
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
107 Patient Ratings
Patient Comments
January 3, 2026 - "Dr. Maciejewski is the best"
December 18, 2025 - "Dr. Maciejewski has consistently provided all of the answers to our questions and provided us with the support we needed during the past [...] months. [...] We are very grateful for his efforts and communication skills throughout the process."
August 29, 2025 - "[...] Dr. Maciejewski is amazing and extremely sincere. He is very thorough and doesn't miss a beat! [...]"
June 3, 2025 - "I love Dr Maciejewski and [...]! They always make me feel heard, cared about and important!"
