HealthCareAtlasUSA

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Doctors / CA

MARK D SHIELDS, MD

INTERNAL MEDICINE

Medical school: UNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE

Graduated: 1992

Offers telehealth

NPI: 1366411555

Practice Locations (3)

SADDLEBACK MEDICAL GROUP INC

24221 CALLE DE LA LOUISA

LAGUNA HILLS, CA 926533642

9494658155

HEALTHCARE PARTNERS AFFILIATES MEDICAL GROUP

24221 CALLE DE LA LOUISA, SUITE 200

LAGUNA HILLS, CA 926533642

9495888700

PALOMA MEDICAL GROUP INC

24411 HEALTH CTR DR, SUITE 460

LAGUNA HILLS, CA 926533687

9494434303

Source: CMS National Downloadable File, September 2026.

MARK SHIELDS, MD | HealthCareAtlasUSA