THOMAS FAY – Anatomic Pathology & Clinical Pathology Physician, NPI 1528592789
Anatomic Pathology & Clinical Pathology Physician
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Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
406 PATHOLOGY in MO
Provider Addresses for THOMAS FAY
1402 S Grand Blvd
Saint Louis, MO 631041004
Phone: (314) 577-8694
Fax: (314) 577-8374
Type: Location
1201 S Grand Blvd
Saint Louis, MO 631041016
Phone: (618) 391-6140
Type: Location
Grand Avenue, Smithville, Duluth, Saint Louis County, Minnesota, 55808, United States
SAINT LOUIS, MO 631043108
Phone: (314) 577-8694
Fax: (314) 577-8374
Type: Mailing
Schwitalla Hall Saint Louis School of Medicine, 1402, South Grand Boulevard, Gate District, City of Saint Louis, Missouri, 63104, United States
SAINT LOUIS, MO 631041004
Phone: (314) 577-8694
Fax: (314) 577-8374
Type: Location
1831 CHESTNUT ST STE 650
SAINT LOUIS, MO 631032236
Phone: (314) 977-6828
Fax: (314) 977-6872
Type: Mailing
6800 STATE ROUTE 162
MARYVILLE, IL 620628500
Phone: (618) 391-6140
Fax: (618) 288-2164
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2022-07-13
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20220617001324 | I | Pathology | MO | TBD |
| I20220713002913 | I | Pathology | IL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 255 | 159 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 48 | 16 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 31 | 26 | $0 |
| 88307 | Pathology examination of tissue using a microscope, moderately high complexity | 26 | 20 | $0 |
| 88304 | Pathology examination of tissue using a microscope, moderately low complexity | 17 | 14 | $0 |
Insurance plans in this area (ZIP 63104)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Anesthesiology Assistant | MO | |
| Pediatric Medicine, Hematology/Oncology | TN | |
| Nurse Practitioner | IL | |
| Certified Registered Nurse Anesthetist (Crna) | MO | |
| Pediatric Medicine | IL | |
| G A S T R O E N T E R O L O G Y | WV | |
| Pediatric Medicine, Cardiovascular Disease (Cardiology) | MO | |
| Infectious Disease | OH | |
| Physician Assistant | MO | |
| Pediatric Medicine, Cardiovascular Disease (Cardiology) | MO |
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