Individual provider · Type 1 NPI

William Shun Tzeng, MD

Internal Medicine Physician · Hacienda Heights, CA

NPI number 1649809385 Active

Practice location

17170 Colima Rd Ste G
Hacienda Heights, CA 91745-6771

Call (626) 965-8202 Map

Fax (626) 964-9893

Other practice locations

420 N Garfield Ave Ste 205, Monterey Park, CA 91754-1206 · (626) 965-8202

Specialties and licenses

Taxonomy	Code	License
Internal Medicine Physician Primary	207R00000X	A187692 (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…

2 other providers at this address

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About NPI 1649809385

William Shun Tzeng, MD's National Provider Identifier is 1649809385, issued on Apr 4, 2020. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Hacienda Heights, CA. The record was last updated on Oct 25, 2026.