Gregory Earl Williams, D.D.S.
NPI 1053529487ActiveIndividual· Dentist, General Practice· Knoxville, TN
Dentist, General Practice (D.D.S.) in Knoxville, Tennessee, licensed in TN, with an NPI issued in May 2007. Part D covered 219 prescriptions written in 2024, 99% of them generic. Ultradent Products Inc was the largest of 2 companies reporting payments in 2025, $442.70 in all, mostly gifts.
Overview
| NPI | 1053529487 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.D.S. |
| Sole proprietor | No |
| NPI issued | May 18, 2007 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, General Practice Primary | 1223G0001X | DS5278 | TN |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 219 · 219 30-day fills |
|---|---|
| Patients | 101 |
| Total drug cost | $1,823 |
| Generic share | 99% of claims |
Industry payments (Open Payments)
- 2025$442.70 · 4 payments from 2 companies
- 2024$1,191 · 14 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ultradent Products Inc | $319.49 | 1 |
| Zimvie Inc. | $123.21 | 3 |
What the 2025 payments were for
- Gift$319.49 · 1 payment
- Food and Beverage$123.21 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 195 general dentists in Knoxville · All general dentists in Tennessee