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Office
161 Thunder Dr Ste 210
Suite 405
Vista, CA 92083Phone+1 760-216-6500Fax+1 760-295-4753
Summary
- Dr. Mark O'Brien, DO is a board certified internist in Vista, California. He is currently licensed to practice medicine in California.
Education & Training
- Michigan State University College of Osteopathic MedicineClass of 1987
Certifications & Licensure
- CA State License 1990 - 2025
- American Board of Internal Medicine Internal Medicine