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. William Sullivan:
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Specialties & Research
- He has special expertise in 1 area:
Education & Awards
Dr. Sullivan graduated from University of Massachusetts, Worcester.
Dr. Sullivan has 4 hospital affiliations:
- Maine Medical Center
- Mercy Hospital
Accepted Insurance Plans
Dr. Sullivan accepts these health insurances in at least one office:
- Aetna - 3 plans
Similar doctors nearby
- Additional Information
- Where does Dr. William K. Sullivan practice?
Dr. William Sullivan practices Psychiatry, Addiction Medicine, and Addiction Psychiatry near South Portland, ME.
Additional practice locations include: Portland, ME and Biddeford, ME.
See South Portland Psychiatrists and South Portland Adolescent Specialists.