Individual provider · Type 1 NPI

Tracy Ann Siegfried, MD

Internal Medicine Physician · Laguna Hills, CA

NPI number 1366598591 Active

Practice location

24331 El Toro Rd Ste 330
Laguna Hills, CA 92637-2754

Call (949) 716-0833 Map

Fax (949) 716-0830

Mailing address

23141 Moulton Pkwy Ste 102
Laguna Hills, CA 92653-1241

Other practice locations

  • 24221 Calle De La Louisa, Suite 400, Laguna Hills, CA 92653-7638 · (949) 465-8155

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000XA62919 (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 1366598591

Tracy Ann Siegfried, MD's National Provider Identifier is 1366598591, issued on Jan 29, 2007. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Laguna Hills, CA. The record was last updated on Jul 10, 2026.