Individual provider · Type 1 NPI

Mon-Ta Tsai, MD

Internal Medicine Physician · Mission Viejo, CA

NPI number 1427019231 Active

Practice location

25982 Pala, Suite 250
Mission Viejo, CA 92691-6719

Call (949) 588-0051 Map

Fax (949) 588-0052

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000XA65382 (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…

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About NPI 1427019231

Mon-Ta Tsai, MD's National Provider Identifier is 1427019231, issued on Mar 31, 2006. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Mission Viejo, CA. The record was last updated on Jul 13, 2026.