Individual provider · Type 1 NPI

John Terence Tan So, MD

Internal Medicine Physician · Downey, CA

NPI number 1801924295 Active

Practice location

10441 Lakewood Blvd Ste Ab
Downey, CA 90241-2744

Call (562) 869-1070 Map

Fax (562) 286-8777

Mailing address

PO Box 35380
Las Vegas, NV 89133-5380

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000XA98802 (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…

19 other providers at this address

Other internal medicine physician providers in Downey

See all in Downey →

About NPI 1801924295

John Terence Tan So, MD's National Provider Identifier is 1801924295, issued on Feb 28, 2007. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Downey, CA. The record was last updated on Nov 29, 2025.