Individual provider · Type 1 NPI

Karthik Gunachelvan

Internal Medicine Physician · Darien, CT

NPI number 1740604941 Active

Practice location

1500 Post Rd Ste 100
Darien, CT 06820-5936

Call (203) 655-8749 Map

Fax (203) 656-0701

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000X82825 (CT)

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 1740604941

Karthik Gunachelvan's National Provider Identifier is 1740604941, issued on Feb 7, 2014. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Darien, CT. The record was last updated on Oct 21, 2025.