Individual provider · Type 1 NPI

Isaiah Mark Horton, MD

Internal Medicine Physician · Redlands, CA

NPI number 1053803940 Active

Practice location

245 Terracina Blvd Ste 105
Redlands, CA 92373-4879

Mailing address

PO Box 35380
Las Vegas, NV 89133-5380

Other practice locations

  • Walter Reed National Military Medical Center, Bethesda, MD 20889-0001 · (301) 295-4900

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician 207R00000X0101268175 (VA)
Internal Medicine Physician Primary 207R00000XA200368 (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…

3 other providers at this address

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About NPI 1053803940

Isaiah Mark Horton, MD's National Provider Identifier is 1053803940, issued on Jun 5, 2018. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Redlands, CA. The record was last updated on Dec 17, 2025.