Individual provider · Type 1 NPI

Kasey Siu, DO

Internal Medicine Physician · Downey, CA

NPI number 1447811559 Active

Practice location

11500 Brookshire Ave
Downey, CA 90241-4917

Call (562) 904-5000 Map

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000X20A20152 (CA)

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…

110 other providers at this address

Other internal medicine physician providers in Downey

See all in Downey →

About NPI 1447811559

Kasey Siu, DO's National Provider Identifier is 1447811559, issued on Jun 28, 2019. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Downey, CA. The record was last updated on Oct 10, 2025.