James Timothy Gilbert, PA-C
Physician Assistant (PA-C) with Williams Medical Group Practice LLC, practicing in Ada, Oklahoma. 102 Medicare patients in 2024, $7,104 paid; nearly all of their 193 Part D prescriptions were generic (92%). Xeris Pharmaceuticals, Inc. was the largest of 2 companies reporting payments in 2025, $145.31 in all, mostly food and beverage. A record with the same name and state is on the OIG exclusion list; it carries no NPI, so check it before acting.
Overview
| NPI | 1407262868 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jul 7, 2014 |
| Last updated in NPPES | Jan 6, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | — |
Exclusion screening
Possible match: verify before acting. The OIG list has a record with the same name in Oklahoma, but that record carries no NPI, so it may be a different person or business.
| Matched by | Name on OIG list | Exclusion type | Excluded since | Location |
|---|---|---|---|---|
| Name + state | James Andrew Gilbert · Owner/Operator | 1128a1 | Oct 19, 2000 | El Reno, OK |
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | Possible (name) | See above |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 102 |
|---|---|
| Services billed | 224 across 28 procedure codes |
| Paid by Medicare | $7,104 |
Part D prescriptions in 2024
| Prescriptions (claims) | 193 · 199 30-day fills |
|---|---|
| Patients | 152 |
| Total drug cost | $5,646 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Williams Medical Group Practice LLCEnid, OK · 218 clinicians
Industry payments (Open Payments)
- 2025$145.31 · 2 payments from 2 companies
- 2024$117.49 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Xeris Pharmaceuticals, Inc. | $121.83 | 1 |
| Pfizer Inc. | $23.48 | 1 |
What the 2025 payments were for
- Food and Beverage$145.31 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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