Doctor profile · Federal record
Dr. Thomas Fay
Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Anatomic Pathology & Clinical Pathology Physician · Student in an Organized Health Care Education/Training Program · Maryville, IL
- NPI 1528592789
- Accepts Medicare
- MIPS 79.1 / 100 · 2023
- 9 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
6800 State Route 162
Maryville, IL 620628500
(618) 391-6140
fax (618) 288-2164 - Additional location
-
1201 S Grand Blvd
Saint Louis, MO 631041016 - Additional location
-
1402 S Grand Blvd
Saint Louis, MO 631041004
(314) 577-8694
fax (314) 577-8374 - Mailing address
-
1831 Chestnut St Ste 650
Saint Louis, MO 631032236
Credentials & registration
- NPI registered
- April 2017 — 9 yrs on file
- Profile last updated
- May 27, 2022
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 207ZP0102X — NUCC code
- State licenses (2)
- Illinois #036160350 · Missouri #2020041595
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1528592789. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
377
Distinct HCPCS
5
Medicare allowed
$13,626
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 255 | 159 | $36 | |
88341 |
Special stained specimen slides to examine tissue, each additional procedure | 48 | 16 | $27 | |
88342 |
Special stained specimen slides to examine tissue, initial procedure | 31 | 26 | $33 | |
88307 |
Pathology examination of tissue using a microscope, moderately high complexity | 26 | 20 | $79 | |
88304 |
Pathology examination of tissue using a microscope, moderately low complexity | 17 | 14 | $11 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 76. This provider delivers 5.0× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Thomas Fay's medical specialty?
Dr. Thomas Fay practices Anatomic Pathology & Clinical Pathology Physician in Maryville, IL.
Where does Dr. Thomas Fay practice?
Dr. Thomas Fay practices at 6800 State Route 162, Maryville, IL 620628500. Office phone: 6183916140.
What is Dr. Thomas Fay's NPI?
Dr. Thomas Fay's National Provider Identifier (NPI) is 1528592789, issued by NPPES.
Does Dr. Thomas Fay accept Medicare assignment?
Yes. Dr. Thomas Fay accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Fay commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Special stained specimen slides to examine tissue, initial procedure (HCPCS 88342). Source: CMS Medicare Physician & Other Practitioners file.