Tony G. Chammas, DMD
NPI 1891831517ActiveIndividual· Dentist, Prosthodontics· San Diego, CA
Dentist, Prosthodontics (DMD) in San Diego, California, licensed in CA, with an NPI issued in January 2007. Part D covered 87 prescriptions written in 2024, 100% of them generic. Straumann USA LLC was the largest of 2 companies reporting payments in 2025, $350.13 in all, mostly education.
Overview
| NPI | 1891831517 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DMD |
| Sole proprietor | No |
| NPI issued | Jan 29, 2007 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, Prosthodontics Primary | 1223P0700X | 44575 | 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) | 87 · 87 30-day fills |
|---|---|
| Patients | 36 |
| Total drug cost | $511.56 |
| Generic share | 100% of claims |
Industry payments (Open Payments)
- 2025$350.13 · 5 payments from 2 companies
- 2024$411.46 · 6 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Straumann USA LLC | $313.99 | 4 |
| Dentsply Sirona Inc | $36.14 | 1 |
What the 2025 payments were for
- Education$300.00 · 3 payments
- Food and Beverage$50.13 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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