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 Diehl:
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Specialties & Research
Dr. William Diehl, MD is board certified in Otolaryngology.
Education & Awards
Dr. Diehl graduated from Thomas Jefferson University, Philadelphia.
Dr. Diehl has 3 hospital affiliations:
- Eastern Maine Medical Center
- Sebasticook Valley Hospital
- Mainegeneral Medical Center
Accepted Insurance Plans
Dr. Diehl accepts these health insurances in at least one office:
- United Healthcare - 12 plans
- Evercare - 3 plans
- Cigna - 6 plans