Skip to main content

Dr. O'Brien 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. O'Brien's full profile

Already have an account?

  • Office

    312 Fountain Avenue
    Pacific Grove, CA 93950
    Phone+1 831-658-0600
    Fax+1 831-658-0518

Education & Training

  • University of California (San Francisco)/University of California School of Public Health
    University of California (San Francisco)/University of California School of Public HealthResidency, Public Health and General Preventive Medicine, 1995 - 1997
  • Oregon Health  Science University Hospital
    Oregon Health Science University HospitalInternship, Transitional Year, 1973 - 1974
  • University of Missouri-Columbia School of Medicine
    University of Missouri-Columbia School of MedicineClass of 1973

Certifications & Licensure

  • OR State Medical License
    OR State Medical License 1974 - Present
  • CA State Medical License
    CA State Medical License 1974 - 2026
  • CO State Medical License
    CO State Medical License 2022 - 2025
  • KS State Medical License
    KS State Medical License 2022 - 2025
  • MO State Medical License
    MO State Medical License 2010 - 2025
  • GA State Medical License
    GA State Medical License 1976 - 1979
  • American Board of Family Medicine Family Medicine
  • American Board of Preventive Medicine Public Health & General Preventive Medicine