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John Tweed, MD, Psychiatry, Portland, ME, MaineGeneral Medical Center


Psychiatry Portland, ME

Child & Adolescent Psychiatry


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  • Dr. John Tweed, MD is a board certified psychiatrist in Portland, Maine. He is currently licensed to practice medicine in Maine and North Carolina. He is affiliated with MaineGeneral Medical Center.

Education & Training

  • Duke University Hospital
    Duke University HospitalFellowship, Child and Adolescent Psychiatry, 1997 - 1999
  • Duke University Hospital
    Duke University HospitalResidency, Psychiatry, 1988 - 1992
  • Duke University School of Medicine
    Duke University School of MedicineClass of 1987

Certifications & Licensure

  • ME State Medical License
    ME State Medical License 1999 - 2023
  • NC State Medical License
    NC State Medical License 1992 - 2000
  • American Board of Psychiatry and Neurology Psychiatry
  • American Board of Psychiatry and Neurology Child & Adolescent Psychiatry

Hospital Affiliations