Individual provider · Type 1 NPI

Christopher Massari, MD

Internal Medicine Physician · Oswego, NY

NPI number 1700948973 Active

Practice location

110 W 6th St
Oswego, NY 13126-2598

Call (315) 349-5511 Map

Fax (315) 349-5785

Other practice locations

  • 2500 NE Neff Road, Bend, OR 97701 · (541) 706-5811
  • 1501 NE Medical Center Dr, Bend, OR 97701-6051 · (541) 382-2811

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician 207R00000XMD28579 (OR)
Hospitalist Physician 208M00000XMD28579 (OR)
Internal Medicine Physician Primary 207R00000X336551 (NY)

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 1700948973

Christopher Massari, MD's National Provider Identifier is 1700948973, issued on Dec 14, 2006. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Oswego, NY. The record was last updated on Jun 19, 2025.