Dr. William Harold Diehl MD is a male Family Practitioner, has 48 years of experience and practices in Otolaryngology and Family Medicine.
Dr. William Diehl has 1 office location.
79 Arsenal St
Augusta, ME 04330

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License & Identifications

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).

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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


  • French
  • German

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Additional Information
Where does Dr. William H. Diehl practice?
Dr. William Diehl practices Otolaryngology and Family Medicine near Augusta, ME.
See Augusta Otolaryngologists and Augusta Family Physicians.