Yen Hai Nguyen-Lenk, DMD
NPI 1720176324ActiveIndividual· Dentist, General Practice· San Ramon, CA
Dentist, General Practice (DMD) in San Ramon, California, licensed in CA, with an NPI issued in October 2006. Part D covered 37 prescriptions written in 2024, 89% of them generic. Hu-Friedy Mfg. Co., LLC was the largest of 3 companies reporting payments in 2025, $141.48 in all, mostly education.
Overview
| NPI | 1720176324 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DMD |
| Sole proprietor | No |
| NPI issued | Oct 10, 2006 |
| Last updated in NPPES | May 31, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, General Practice Primary | 1223G0001X | 48344 | 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) | Enrolled Order and Referring Only - Dentist (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 37 · 41 30-day fills |
|---|---|
| Patients | 23 |
| Total drug cost | $334.96 |
| Generic share | 89% of claims |
Industry payments (Open Payments)
- 2025$141.48 · 3 payments from 3 companies
- 2024$300.03 · 11 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Hu-Friedy Mfg. Co., LLC | $78.85 | 1 |
| Dentsply Sirona Inc | $45.38 | 1 |
| Solventum Corporation | $17.25 | 1 |
What the 2025 payments were for
- Education$78.85 · 1 payment
- Food and Beverage$62.63 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 77 general dentists in San Ramon · All general dentists in California