Skip to main content
Courtney Certain, DO, Internal Medicine, Billings, MT

CourtneyCertainDO

Internal Medicine Billings, MT

resident physician

Dr. Certain 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. Certain's full profile

Already have an account?

  • Office

    1233 N 30th St
    Billings, MT 59101
    Phone+1 406-237-3851
    Fax+1 406-237-3855

Education & Training

  • Pacific Northwest University of Health Sciences College of Osteopathic Medicine
    Pacific Northwest University of Health Sciences College of Osteopathic MedicineClass of 2017

Certifications & Licensure

  • MT State Medical License
    MT State License 2020 - 2026
  • OH State Medical License
    OH State License 2017 - 2021
  • American Board of Internal Medicine Internal Medicine