Individual provider · Type 1 NPI

Thomas John Gniadek, MD PHD

Anatomic Pathology & Clinical Pathology Physician · St. Louis, MO

NPI number 1205101334 Active

Practice location

1402 S Grand Blvd
St. Louis, MO 63104-1004

Call (314) 617-2000 Map

Mailing address

844 Knollwood Rd
Deerfield, IL 60015-3313

Other practice locations

  • 300 S 6th St # MC604, Minneapolis, MN 55487-0999 · (612) 596-1036
  • 844 Knollwood Rd, Deerfield, IL 60015-3313 · (203) 806-0125
  • 2525 Chicago Ave, Minneapolis, MN 55404-4518 · (612) 813-6000

Specialties and licenses

TaxonomyCodeLicense
Blood Banking & Transfusion Medicine Physician 207ZB0001X036145372 (IL)
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X036145372 (IL)
Anatomic Pathology & Clinical Pathology Physician Primary 207ZP0102X2024018547 (MO)
Blood Banking & Transfusion Medicine Physician 207ZB0001X2024018547 (MO)

Anatomic Pathology & Clinical Pathology Physician: A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, ex…

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About NPI 1205101334

Thomas John Gniadek, MD PHD's National Provider Identifier is 1205101334, issued on Mar 22, 2012. The primary taxonomy on file is Anatomic Pathology & Clinical Pathology Physician (207ZP0102X), and the practice location is in St. Louis, MO. The record was last updated on Jan 7, 2026.