Individual provider · Type 1 NPI

Reed P. Haag, MD

Internal Medicine Physician · Attica, NY

NPI number 1427199827 Active

Practice location

121 Prospect St
Attica, NY 14011

Fax (585) 708-4042

Mailing address

722 W Water St
Elmira, NY 14905-2435

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000X191829-1 (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…

About NPI 1427199827

Reed P. Haag, MD's National Provider Identifier is 1427199827, issued on Feb 9, 2007. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Attica, NY. The record was last updated on Nov 10, 2025.