

Hematology
Christopher Tretter, MD
South Portland, ME
Dr. Christopher Tretter, MD is an Oncology Specialist who practices in South Portland, ME. He is 62 years old and has been practicing for 32 years.
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Credentials
Years in Practice
30+ years
Peer Recognition
- Castle Connolly — Top Doctor
2017-2026 (10 years)
- Healthgrades — Healthgrades Honor Roll
Clinical Focus
Subspecialties
Hematology & Oncology
Conditions & Treatments
Hematologic MalignanciesLeukemiaLymphomaMultiple Myeloma
Insurance(s) Accepted
Please verify your coverage with the provider — plan participation can change.
Practice Details
Hospital Affiliations
- Speare Memorial Hospital
- MaineHealth Maine Medical Center
- Lahey Hospital & Medical Center
- Mount Desert Island Hospital
- Beth Israel Deaconess Medical Center
Conditions Dr. Tretter treats
Insurance accepted
Frequently asked
Does Dr. Tretter accept Aetna insurance?
Christopher Tretter's public profile lists Aetna, Anthem Blue Cross Blue Shield, and Blue Cross Blue Shield plus 10 more health plans as accepted plans. Plan participation can change — confirm directly with the practice before your visit.
Where does Dr. Tretter practice?
Christopher Tretter practices in South Portland, ME with hospital affiliations including Speare Memorial Hospital, MaineHealth Maine Medical Center, and Lahey Hospital & Medical Center.
What does Dr. Tretter specialize in?
Christopher Tretter is a board-certified hematology specialist with focus areas in Hematology & Oncology.
How long has Dr. Tretter been practicing?
Christopher Tretter has 32+ years of clinical experience in hematology.
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