John Barry Williamson, D.D.S.
NPI 1699924712ActiveIndividual· Dentist· San Leandro, CA
Dentist (D.D.S.) in San Leandro, California, licensed in CA, with an NPI issued in September 2008. Part D covered 39 prescriptions written in 2024, 49% of them generic. Purelife, LLC reported $35.00 in payments in 2024, mostly gifts.
Overview
| NPI | 1699924712 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.D.S. |
| Sole proprietor | No |
| NPI issued | Sep 12, 2008 |
| Last updated in NPPES | Sep 12, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist Primary | 122300000X | 33404 | CA |
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) | 39 · 47 30-day fills |
|---|---|
| Patients | 23 |
| Total drug cost | $364.20 |
| Generic share | 49% of claims |
Industry payments (Open Payments)
- 2024$35.00 · 2 payments from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Purelife, LLC | $35.00 | 2 |
What the 2024 payments were for
- Gift$35.00 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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