Doctor profile · Federal record
Dr. Thomas Gniadek, MD PHD
Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Blood Banking & Transfusion Medicine Physician · Anatomic Pathology & Clinical Pathology Physician · Blood Banking & Transfusion Medicine Physician · Saint Louis, MO
- NPI 1205101334
- Accepts Medicare
- 14 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
1402 S Grand Blvd
Saint Louis, MO 631041004
(314) 617-2000 - Additional location
-
2525 Chicago Ave
Minneapolis, MN 554044518
(612) 813-6000 - Additional location
-
300 S 6Th St # Mc604
Minneapolis, MN 554870999
(612) 596-1036 - Additional location
-
844 Knollwood RD
Deerfield, IL 600153313
(203) 806-0125 - Mailing address
-
844 Knollwood RD
Deerfield, IL 600153313
Show 1 more location
Credentials & registration
- NPI registered
- March 2012 — 14 yrs on file
- Profile last updated
- January 7, 2026
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207ZP0102X — NUCC code
- State licenses (2)
- Missouri #2024018547 · Illinois #036145372
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1205101334. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$1,298
Transactions
3
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Cerus Corporation | 3 | $1,297.81 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Thomas Gniadek's medical specialty?
Dr. Thomas Gniadek practices Anatomic Pathology & Clinical Pathology Physician in Saint Louis, MO.
Where does Dr. Thomas Gniadek practice?
Dr. Thomas Gniadek practices at 1402 S Grand Blvd, Saint Louis, MO 631041004. Office phone: 3146172000.
What is Dr. Thomas Gniadek's NPI?
Dr. Thomas Gniadek's National Provider Identifier (NPI) is 1205101334, issued by NPPES.
Does Dr. Thomas Gniadek accept Medicare assignment?
Yes. Dr. Thomas Gniadek accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.