Thomas St Clair Williams Sr., MD
NPI 1467422048ActiveIndividual· Family Medicine· Monroe, LA
Family Medicine (MD) with West Carroll Health Systems, LLC, practicing in Monroe, Louisiana. Their prescriptions cost Medicare Part D more than their services did: $1,543,826 for 15,161 claims, against $6,871 paid for services in 2024. Bayer Healthcare Pharmaceuticals Inc. was the largest of 6 companies reporting payments in 2025, $268.31 in all, mostly food and beverage. Lists Fmol Health St Francis and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1467422048 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jan 25, 2006 |
| Last updated in NPPES | Dec 14, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 022964 | LA |
| Emergency Medicine | 207P00000X | MD022964 | LA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 28 |
|---|---|
| Services billed | 109 across 6 procedure codes |
| Paid by Medicare | $6,871 |
Part D prescriptions in 2024
| Prescriptions (claims) | 15,161 · 26,311 30-day fills |
|---|---|
| Patients | 505 |
| Total drug cost | $1,543,826 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Family Practice |
Medical group
- West Carroll Health Systems, LLCOak Grove, LA · 20 clinicians
Hospital affiliations
- Fmol Health St FrancisMonroe, LA
- Morehouse General HospitalBastrop, LA
- Richardson Medical CenterRayville, LA
- West Carroll Memorial HospitalOak Grove, LA
Other facilities
- Alphacare Home Health, Inc.Home health agency · Monroe, LA
- West Carroll Memorial Hospital Home HealthHome health agency · Oak Grove, LA
- Premier Hospice, LLCHospice · Bastrop, LA
- Carroll Health and Rehab LLCNursing home · Oak Grove, LA
- West Carroll Care Center, IncNursing home · Oak Grove, LA
Industry payments (Open Payments)
- 2025$268.31 · 11 payments from 6 companies
- 2024$168.02 · 9 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $96.00 | 5 |
| Amgen Inc. | $78.22 | 1 |
| Merck Sharp & Dohme LLC | $39.41 | 2 |
| Insulet Corporation | $19.39 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $18.67 | 1 |
What the 2025 payments were for
- Food and Beverage$268.31 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other family medicine physicians in Monroe
- 1003837287
- 1003857236
- 1053548156
- 1063411056
- 1063494748
- 1073831749
- 1083169320
- 1093731515
- 1093737819
- 1104036243
- 1114159399
- 1124039326
All 115 family medicine physicians in Monroe · All family medicine physicians in Louisiana