Individual provider · Type 1 NPI

Mahmoud Hassanein

Internal Medicine Physician · St. Louis, MO

NPI number 1023937877 Active

Practice location

1201 S Grand Blvd
St. Louis, MO 63104-1016

Call (314) 257-8000 Map

Mailing address

3853 Lindell Blvd Apt 303
St. Louis, MO 63108-3432

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000X2026021987 (MO)

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 1023937877

Mahmoud Hassanein's National Provider Identifier is 1023937877, issued on Jul 14, 2026. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in St. Louis, MO. The record was last updated on Jul 15, 2026.