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Office
3156 Vista Way
Suite 405
Oceanside, CA 92056Phone+1 760-439-6581Fax+1 760-769-6585
Summary
- Dr. Mark O'Brien, DO is a board certified internist in Oceanside, California. He is currently licensed to practice medicine in California. He is affiliated with Tri-City Medical Center.
Education & Training
Henry Ford Health/Henry Ford HospitalResidency, Internal Medicine, 1991 - 1991- Henry Ford Health/Henry Ford HospitalResidency, Internal Medicine, 1988 - 1990
Genesys Regional Medical Center - FlintInternship, Transitional Year, 1987 - 1988
Michigan State University College of Osteopathic MedicineClass of 1987
Certifications & Licensure
CA State License 1990 - 2025- American Board of Internal Medicine Internal Medicine
Professional Memberships
- Member
- Member
