A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
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Specialties & Research
Dr. D Marr, MD is board certified in Family Medicine and Family Medicine - Sports Medicine.
- He has special expertise in 1 area:
- Sports Medicine
Education & Awards
Dr. Marr graduated from University of Massachusetts, Worcester.
Dr. Marr has 4 hospital affiliations:
- Maine Medical Center
- Mercy Hospital
Accepted Insurance Plans
Dr. Marr accepts these health insurances in at least one office:
- United Healthcare - 12 plans
- Evercare - 3 plans
- Humana - 2 plans
- Great-West Healthcare - 1 plan