Skip to main content
Harmar Brereton, MD, Radiation Oncology, Dunmore, PA, Geisinger Community Medical Center

HarmarD.BreretonMD

Radiation Oncology Dunmore, PA

Physician

Dr. Brereton is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

  • Connect with other colleagues in the same hospital or clinic
  • Search all U.S. specialist profiles and refer a patient
  • Read the latest clinical news and earn CME/CEU credits

See Dr. Brereton's full profile

Already have an account?

Education & Training

  • Johns Hopkins University
    Johns Hopkins UniversityResidency, Internal Medicine, 1978 - 1979
  • Emory University School of Medicine
    Emory University School of MedicineResidency, Internal Medicine, 1970 - 1972
  • University of Pittsburgh School of Medicine
    University of Pittsburgh School of MedicineClass of 1970

Certifications & Licensure

  • NY State Medical License
    NY State Medical License 1974 - 2025
  • PA State Medical License
    PA State Medical License 1982 - 2021
  • NJ State Medical License
    NJ State Medical License 2006 - 2021
  • MD State Medical License
    MD State Medical License 1978 - 1984
  • American Board of Internal Medicine Internal Medicine
  • American Board of Internal Medicine Hematology
  • American Board of Internal Medicine Medical Oncology
  • American Board of Radiology Therapeutic Radiology

Awards, Honors, & Recognition

  • CMS Meaningful Use Stage 1 Certification MOSAIQ EMR, Elekta, 2012-2013

Publications & Presentations

PubMed

Press Mentions

  • NCCS Presents 4th Annual Ellen L. Stovall Award to Dr. Harmar Brereton and Dana Dornsife for Their Innovation and Dedication to Cancer Survivors
    NCCS Presents 4th Annual Ellen L. Stovall Award to Dr. Harmar Brereton and Dana Dornsife for Their Innovation and Dedication to Cancer SurvivorsNovember 20th, 2019

Professional Memberships

Hospital Affiliations