Individual provider · Type 1 NPI

Gianna Nicole Niemeier Vermeys, MD

Internal Medicine Physician · Phoenix, AZ

NPI number 1235926411 Active

Practice location

5777 E Mayo Blvd
Phoenix, AZ 85054-4502

Call (480) 342-2000 Map

Mailing address

PO Box 860912
Minneapolis, MN 55486-0912

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician Primary 207R00000XR81706 (AZ)

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 1235926411

Gianna Nicole Niemeier Vermeys, MD's National Provider Identifier is 1235926411, issued on Apr 22, 2025. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Phoenix, AZ. The record was last updated on Aug 3, 2026.