Individual provider · Type 1 NPI

Michael J. Hayes, MD

Internal Medicine Physician · Marion, OH

NPI number 1174587943 Active

Practice location

980 S Prospect St, Suite 1
Marion, OH 43302-6225

Call (740) 387-6400 Map

Fax (740) 387-6027

Mailing address

PO Box 7527
Dublin, OH 43017-0727

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000X35.049227 (OH)

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 1174587943

Michael J. Hayes, MD's National Provider Identifier is 1174587943, issued on Apr 17, 2006. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Marion, OH. The record was last updated on Aug 10, 2026.