Individual provider · Type 1 NPI

Nithin Karnan, MD

Internal Medicine Physician · Mason City, IA

NPI number 1639069099 Active

Practice location

1010 4th St SW, Suite 305
Mason City, IA 50401-2856

Call (641) 428-5700 Map

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000XR-13421 (IA)

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 1639069099

Nithin Karnan, MD's National Provider Identifier is 1639069099, issued on Jul 8, 2025. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Mason City, IA. The record was last updated on Jul 8, 2025.