Skip to main content

Dr. Callahan is on Doximity

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

  • Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
  • Connect with colleagues in the same hospital or clinic.
  • Read the latest clinical news, personalized to your specialty.

See Dr. Callahan's full profile

Already have an account?

  • Office

    655 Africa Rd
    Westerville, OH 43082
    Phone+1 614-326-2672
    Fax+1 614-326-3293

Education & Training

  • Oregon Health & Science University (OHSU Health) (Cascades East)
    Oregon Health & Science University (OHSU Health) (Cascades East)Residency, Family Medicine, 2018 - 2021
  • Wright State University Boonshoft School of Medicine
    Wright State University Boonshoft School of MedicineClass of 2018

Certifications & Licensure

  • OH State Medical License
    OH State Medical License 2020 - 2026
  • OR State Medical License
    OR State Medical License 2019 - 2023
  • American Board of Family Medicine Family Medicine