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Summary

  • Dr. Brian Gretta, MD is an emergency medicine physician in Lincoln, Maine. He is currently licensed to practice medicine in Maine, New Hampshire, and Georgia. He is affiliated with Penobscot Valley Hospital and Northern Light Inland Hospital.

Education & Training

  • Ohio State University Hospital
    Ohio State University HospitalResidency, Internal Medicine, 1986 - 1989
  • Ohio State University College of Medicine
    Ohio State University College of MedicineClass of 1986

Certifications & Licensure

  • ME State Medical License
    ME State Medical License 1991 - 2026
  • NH State Medical License
    NH State Medical License 2023 - 2025
  • GA State Medical License
    GA State Medical License 2009 - 2025
  • MA State Medical License
    MA State Medical License 2000 - 2013
  • OH State Medical License
    OH State Medical License 1987 - 1992
  • American Board of Internal Medicine Internal Medicine

Professional Memberships

Hospital Affiliations