Individual provider · Type 1 NPI

Andrew Mel Diaz, DO

Internal Medicine Physician · Huntley, IL

NPI number 1255951786 Active

Practice location

10400 Haligus Rd
Huntley, IL 60142-9553

Call (815) 759-4323 Map

Fax (815) 759-4948

Mailing address

530 NE Glen Oak Ave Bldg 5676
Peoria, IL 61637-0001

Other practice locations

  • 530 NE Glen Oak Ave, Peoria, IL 61637-0001 · (309) 655-2000

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000X036164669 (IL)

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 1255951786

Andrew Mel Diaz, DO's National Provider Identifier is 1255951786, issued on Apr 24, 2020. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Huntley, IL. The record was last updated on Apr 16, 2026.