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 Frownfelter:
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Specialties & Research
Dr. John Frownfelter, MD is board certified in Internal Medicine.
Education & Awards
Dr. Frownfelter graduated from Wayne State University, Detroit.
Dr. Frownfelter has 4 hospital affiliations:
- Providence Hospital and Medical Center
- Henry Ford Macomb Hospitals
Accepted Insurance Plans
Dr. Frownfelter accepts these health insurances in at least one office:
- Aetna - 2 plans
- Blue Cross Blue Shield of Michigan - 2 plans
- Blue Cross Blue Shield of Illinois - 3 plans
- Humana - 2 plans