Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Thomas John Gniadek, MDPHD

Individual provider Blood Banking & Transfusion Medicine Physician · NPI 1205101334

Dr. Thomas John Gniadek, MDPHD is a Pathology in Saint Louis, Missouri. Qualified in 2012, 14 years ago. Practices with Hennepin Healthcare System Inc, a 903-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Illinois and Missouri.

Years since qualifying
14
Licensed in
IL, MO
In the registry since
2012
Specialties on file
4

Practice location Address checks out

1402 S Grand Blvd
Saint Louis, MO 63104-1004
Phone: (314) 617-2000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 844 Knollwood Rd, Deerfield, IL 60015-3313 — (203) 806-0125
  • 2525 Chicago Ave, Minneapolis, MN 55404-4518 — (612) 813-6000
  • 300 S 6th St # Mc604, Minneapolis, MN 55487-0999 — (612) 596-1036

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence 2024018547 (MO)
Blood Banking & Transfusion Medicine Physician Taxonomy 207ZB0001X · Licence 036145372 (IL)
Anatomic Pathology & Clinical Pathology Physician Taxonomy 207ZP0102X · Licence 036145372 (IL)
Blood Banking & Transfusion Medicine Physician Taxonomy 207ZB0001X · Licence 2024018547 (MO)

Record details

NPI number1205101334
Entity typeIndividual (Type 1)
GenderMale
Credentials MDPHD
Sole proprietorNo
NPI enumeratedMarch 22, 2012
Last updated in NPPESJanuary 7, 2026
Certification dateJanuary 7, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPATHOLOGY
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Hennepin Healthcare System Inc — 903 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Saint Louis