John Armbruster, DDS
NPI 1336174135ActiveIndividual· Dentist, General Practice· Woodruff, SC
Opted out of Medicare from October 2017 to October 2027. Dentist, General Practice (DDS) in Woodruff, South Carolina, licensed in SC, with an NPI issued in July 2006. Part D covered 126 prescriptions written in 2024, 94% of them generic. Dentsply Sirona Inc was the largest of 2 companies reporting payments in 2025, $28.76 in all, mostly food and beverage.
Overview
| NPI | 1336174135 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DDS |
| Sole proprietor | No |
| NPI issued | Jul 11, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, General Practice Primary | 1223G0001X | 3509 | SC |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Oct 9, 2017 – Oct 9, 2027 |
| Can order and refer | Yes |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Part D prescriptions in 2024
| Prescriptions (claims) | 126 · 135 30-day fills |
|---|---|
| Patients | 92 |
| Total drug cost | $957.81 |
| Generic share | 94% of claims |
Industry payments (Open Payments)
- 2025$28.76 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dentsply Sirona Inc | $14.40 | 1 |
| Align Technology, Inc. | $14.36 | 1 |
What the 2025 payments were for
- Food and Beverage$28.76 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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