Individual provider · Type 1 NPI

Mark H. Gregory, MD

Internal Medicine Physician · St. Louis, MO

NPI number 1104843663 Active

Practice location

555 N New Ballas Rd, Suite 110
St. Louis, MO 63141-6825

Call (314) 872-8470 Map

Fax (314) 872-8472

Mailing address

555 N New Ballas Rd Ste 110
St. Louis, MO 63141-6884

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000X100578 (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 1104843663

Mark H. Gregory, MD's National Provider Identifier is 1104843663, issued on Jul 17, 2006. 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 9, 2026.