Individual provider · Type 1 NPI

Ryan Alistair John Marais, MD

Internal Medicine Physician · Loma Linda, CA

NPI number 1922688282 Active

Practice location

11370 Anderson St Ste 3150
Loma Linda, CA 92354-3450

Call (909) 558-2191 Map

Mailing address

11234 Anderson St
Loma Linda, CA 92354-2804

Specialties and licenses

TaxonomyCodeLicense
Student in an Organized Health Care Education/Training Program 390200000XNone listed
Internal Medicine Physician Primary 207R00000XA192109 (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 1922688282

Ryan Alistair John Marais, MD's National Provider Identifier is 1922688282, issued on Apr 12, 2021. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Loma Linda, CA. The record was last updated on Jul 23, 2025.