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Office
845 Maryland St
El Segundo, CA 90245Phone+1 310-640-9604
Summary
- Dr. Mary O'Callaghan, MD is a family physician in El Segundo, California. She is currently licensed to practice medicine in California.
Education & Training
St Johns HospitalInternship, Transitional Year, 1952 - 1952
Royal College of Surgeons IrelandClass of 1949
Certifications & Licensure
CA State Medical License 1961 - 2022
