Individual provider · Type 1 NPI

John Thomas Callaghan, MD, PhD

Internal Medicine Physician · Indianapolis, IN

NPI number 1700825064 Active

Practice location

1481 W 10th St
Indianapolis, IN 46202-2803

Call (317) 988-2624 Map

Other practice locations

  • 1701 N Senate Blvd, Indianapolis, IN 46202-1239 · (888) 484-3258

Specialties and licenses

TaxonomyCodeLicense
Clinical Pharmacology Physician 208U00000X01028895 (IN)
Clinical Pharmacology Physician 208U00000X01028895A (IN)
Internal Medicine Physician Primary 207R00000X01028895A (IN)

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 1700825064

John Thomas Callaghan, MD, PhD's National Provider Identifier is 1700825064, issued on Jun 5, 2006. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Indianapolis, IN. The record was last updated on Mar 4, 2025.