Nelson T. Yen, D.D.S., M.S.
NPI 1245330091ActiveIndividual· Dentist, Periodontics· Fullerton, CA
Dentist, Periodontics (D.D.S., M.S.) in Fullerton, California, licensed in CA, with an NPI issued in September 2006. Part D covered 586 prescriptions written in 2024, 100% of them generic. Straumann USA LLC was the largest of 3 companies reporting payments in 2025, $14,423 in all, mostly speaking and faculty fees.
Overview
| NPI | 1245330091 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.D.S., M.S. |
| Sole proprietor | Yes |
| NPI issued | Sep 22, 2006 |
| Last updated in NPPES | Jan 19, 2022 |
| Certified by provider | Jan 19, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, Periodontics Primary | 1223P0300X | 46231 | CA |
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) | Enrolled Order and Referring Only - Dentist (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 586 · 589 30-day fills |
|---|---|
| Patients | 263 |
| Total drug cost | $3,620 |
| Generic share | 100% of claims |
Industry payments (Open Payments)
- 2025$14,423 · 11 payments from 3 companies
- 2024$2,173 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Straumann USA LLC | $10,130 | 7 |
| Henry Schein, Inc. | $4,000 | 1 |
| Geistlich Pharma, North America, Inc. | $293.12 | 3 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$14,000 · 2 payments
- Food and Beverage$422.96 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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