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John Heffernan, DO, Internal Medicine, Walla Walla, WA

JohnCaseyHeffernanDO

Internal Medicine • Walla Walla, WA

Primary Care Physician

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Education & Training

  • Hackensack University Medical Center (Palisades)
    Hackensack University Medical Center (Palisades)Residency, Internal Medicine, 2017 - 2020
  • Edward Via Virginia College of Osteopathic Medicine
    Edward Via Virginia College of Osteopathic MedicineClass of 2017

Certifications & Licensure

  • CA State Medical License
    CA State License 2022 - 2026
  • NJ State Medical License
    NJ State License 2020 - 2025
  • WA State Medical License
    WA State License 2023 - 2025
  • OR State Medical License
    OR State License 2024 - 2025

Professional Memberships

Other Languages

  • Spanish

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