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).
Learn more about Dr. Sean O'Donnell:
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Specialties & Research
Dr. Sean O'Donnell, MD is board certified in Internal Medicine.
Education & Awards
Dr. O'Donnell graduated from Drexel University , Philadelphia.
Dr. O'Donnell has 3 hospital affiliations:
- Miles Memorial Hospital
- Penobscot Bay Medical Center
- Lahey Clinic Hospital
Accepted Insurance Plans
Dr. O'Donnell accepts these health insurances in at least one office:
- United Healthcare - 17 plans
- Cigna - 20 plans
- Humana - 9 plans
Similar doctors nearby
- Additional Information
- Where does Dr. Sean M. O'Donnell practice?
Dr. Sean O'Donnell practices Internal Medicine near Damariscotta, ME.
Additional practice locations include: Rockport, ME.
See Damariscotta Internists.