Individual provider · Type 1 NPI

Matthew David Barnett, DO

Internal Medicine Physician · Oak Lawn, IL

NPI number 1386584555 Active

Practice location

4220 W 95th St Ste 200
Oak Lawn, IL 60453-3072

Call (708) 398-0287 Map

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000X125.087506 (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 1386584555

Matthew David Barnett, DO's National Provider Identifier is 1386584555, issued on Mar 30, 2026. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Oak Lawn, IL. The record was last updated on Oct 20, 2026.