Chihwen Alec Yen, D.M.D.
NPI 1417000712ActiveIndividual· Dentist, Periodontics· Clinton, MD
Opted out of Medicare from July 2015 to July 2027. Dentist, Periodontics (D.M.D.) in Clinton, Maryland, licensed in MD, with an NPI issued in January 2007. Part D covered 187 prescriptions written in 2024, 98% of them generic. Zimvie Inc. was the largest of 3 companies reporting payments in 2025, $256.27 in all, mostly food and beverage.
Overview
| NPI | 1417000712 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.M.D. |
| Sole proprietor | Yes |
| NPI issued | Jan 19, 2007 |
| Last updated in NPPES | Sep 25, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, Periodontics Primary | 1223P0300X | 12725 | MD |
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 |
|---|---|
| Opt-out | Opted out Jul 10, 2015 – Jul 10, 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) | 187 · 191 30-day fills |
|---|---|
| Patients | 71 |
| Total drug cost | $796.33 |
| Generic share | 98% of claims |
Industry payments (Open Payments)
- 2025$256.27 · 8 payments from 3 companies
- 2024$417.55 · 8 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zimvie Inc. | $204.35 | 6 |
| Straumann USA LLC | $35.43 | 1 |
| Geistlich Pharma, North America, Inc. | $16.49 | 1 |
What the 2025 payments were for
- Food and Beverage$156.27 · 6 payments
- Education$100.00 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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