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Dr. McMahon is on Doximity

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Education & Training

  • Wake Forest University School of Medicine
    Wake Forest University School of MedicineFellowship, Gastroenterology, 1984 - 1986
  • St Elizabeth's Medical Center
    St Elizabeth's Medical CenterResidency, Internal Medicine, 1980 - 1983
  • Georgetown University School of Medicine
    Georgetown University School of MedicineClass of 1980

Certifications & Licensure

  • VA State Medical License
    VA State Medical License 2023 - 2026
  • TN State Medical License
    TN State Medical License 2024 - 2026
  • MN State Medical License
    MN State Medical License 2023 - 2025
  • NH State Medical License
    NH State Medical License 2023 - 2025
  • NM State Medical License
    NM State Medical License 2023 - 2024
  • RI State Medical License
    RI State Medical License 1986 - 2024
  • PA State Medical License
    PA State Medical License 2024 - 2024
  • American Board of Internal Medicine Internal Medicine
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Awards, Honors, & Recognition

  • Meaningful Use Stage 1 Certification Centers for Medicare & Medicaid Services, 2012

Hospital Affiliations