Individual provider · Type 1 NPI

Patrick S. Chang, MD

Internal Medicine Physician · Mather, CA

NPI number 1861467656 Active

Practice location

10535 Hospital Way
Mather, CA 95655-4200

Call (916) 843-7000 Map

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000X21908 (AZ)

Internal Medicine Physician: A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medi…

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About NPI 1861467656

Patrick S. Chang, MD's National Provider Identifier is 1861467656, issued on Feb 23, 2006. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Mather, CA. The record was last updated on Dec 26, 2025.