Internal Medicine, Rheumatology in ORANGE, CA
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Ian Chang is a physician specializing in internal medicine and rheumatology in Orange, CA.
Generated from public NPI Registry data only. Not independently verified — confirm credentials directly with the practice.
Dr. IAN CHANG specializes in Internal Medicine, Rheumatology.
Dr. IAN CHANG practices in ORANGE, CA.
Dr. IAN CHANG's NPI number is 1407116411.