Individual provider · Type 1 NPI

Ronald Castillo Tejada Jr., MD

Internal Medicine Physician · Carson, CA

NPI number 1407165079 Active

Practice location

20920 Chico St
Carson, CA 90746-3603

Call (424) 444-5097 Map

Fax (833) 973-3630

Mailing address

3300 E South St, Suite 205
Lakewood, CA 90805-4549

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000XA118334 (CA)
Internal Medicine Physician 207R00000X036130801 (IL)

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 1407165079

Ronald Castillo Tejada Jr., MD's National Provider Identifier is 1407165079, issued on Sep 30, 2010. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Carson, CA. The record was last updated on Aug 26, 2026.