William Christopher Williams, PA-C
NPI 1093814949ActiveIndividual· Physician Assistant· Tyler, TX
Physician Assistant (PA-C) in Tyler, Texas, trained at Texas Tech University Health Science Center School of Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $1,045,002 for 7,873 claims, against $416,525 paid for services in 2024. Novo Nordisk Inc was the largest of 11 companies reporting payments in 2025, $848.79 in all, mostly food and beverage.
Overview
| NPI | 1093814949 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Sep 21, 2006 |
| Last updated in NPPES | Oct 15, 2026 |
| Certified by provider | Oct 15, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA03260 | TX |
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 - Physician Assistant (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,070 |
|---|---|
| Services billed | 10,808 across 122 procedure codes |
| Paid by Medicare | $416,525 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,873 · 16,140 30-day fills |
|---|---|
| Patients | 935 |
| Total drug cost | $1,045,002 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Texas Tech University Health Science Center School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Physician Assistant |
Medical group
- Tyler Internal Medicine Associates, P.ATyler, TX · 15 clinicians
Hospital affiliations
- Christus Mother Frances HospitalTyler, TX
- University of Texas Health Science Center at TylerTyler, TX
- Ut Health East Texas Tyler Regional HospitalTyler, TX
Other facilities
- Choice HomecareHome health agency · Tyler, TX
- Paradigm HomecareHome health agency · Tyler, TX
- Ut Health East Texas Home Health ServicesHome health agency · Pittsburg, TX
- Ut Health East Texas Home Health ServicesHome health agency · Athens, TX
Industry payments (Open Payments)
- 2025$848.79 · 51 payments from 11 companies
- 2024$953.98 · 66 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $279.86 | 8 |
| Abbvie Inc. | $173.91 | 24 |
| Corcept Therapeutics | $125.86 | 3 |
| Novartis Pharmaceuticals Corporation | $97.50 | 6 |
| Pfizer Inc. | $43.72 | 3 |
What the 2025 payments were for
- Food and Beverage$848.79 · 51 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 103 physician assistants in Tyler · All physician assistants in Texas