Individual provider · Type 1 NPI

Matthew Nienaber, DO

Internal Medicine Physician · Santa Monica, CA

NPI number 1033535182 Active

Practice location

1821 Wilshire Blvd Ste 100
Santa Monica, CA 90403-5627

Call (310) 575-3100 Map

Fax (310) 575-3102

Other practice locations

  • 355 Abbott St Ste 100, Salinas, CA 93901-4484 · (831) 751-7070

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000X20A14759 (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…

8 other providers at this address

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About NPI 1033535182

Matthew Nienaber, DO's National Provider Identifier is 1033535182, issued on Mar 13, 2014. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Santa Monica, CA. The record was last updated on May 28, 2026.