HealthCareAtlasUSA

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Doctors / CA

ALAN THOMAS CHANG, MD

INTERNAL MEDICINE

Medical school: UNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE

Graduated: 1995

Offers telehealth

NPI: 1699784934

Practice Locations (3)

DEL SUR HEALTHCARE

436 S MAGNOLIA AVE, SUITE 101

EL CAJON, CA 920205219

7609788596

GRAYBILL MEDICAL GROUP INC

225 E 2ND AVE

Escondido, CA 920254212

GRAYBILL MEDICAL GROUP INC

225 E 2ND AVE

ESCONDIDO, CA 920254212

8662282236

Source: CMS National Downloadable File, September 2026.

ALAN CHANG, MD | HealthCareAtlasUSA