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. John Irwin:
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Specialties & Research
Dr. John Irwin, DO is board certified in Internal Medicine.
- He has special expertise in 1 area:
Education & Awards
Dr. Irwin graduated from University of Missouri at Kansas City.
Dr. Irwin has 8 hospital affiliations:
- Bridgton Hospital
- Rumford Hospital
Accepted Insurance Plans
Dr. Irwin accepts these health insurances in at least one office:
- Humana - 2 plans
- Aetna - 2 plans
- Harvard Pilgrim Health Care - 6 plans
- United Healthcare - 2 plans
- Cigna - 3 plans
- Great-West Healthcare - 1 plan