Individual provider · Type 1 NPI

Gregory N. Haase, DO

Internal Medicine Physician · Warsaw, IN

NPI number 1851357032 Active

Practice location

355 E 200 N
Warsaw, IN 46582-7855

Call (574) 372-5625 Map

Fax (574) 372-5626

Mailing address

11109 Parkview Plaza Dr # 117
Fort Wayne, IN 46845-1701

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000X02000857A (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 1851357032

Gregory N. Haase, DO's National Provider Identifier is 1851357032, issued on Apr 25, 2006. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Warsaw, IN. The record was last updated on Jul 14, 2026.