Don Chaen Kwok, DDS, P.C.
NPI 1235273988ActiveIndividual· Dentist, General Practice· Chantilly, VA
Opted out of Medicare from February 2016 to February 2028. Dentist, General Practice (DDS, P.C.) in Chantilly, Virginia, licensed in VA, with an NPI issued in February 2007. Part D covered 50 prescriptions written in 2024, 100% of them generic. Zimvie Inc. was the largest of 2 companies reporting payments in 2025, $46.92 in all, mostly food and beverage.
Overview
| NPI | 1235273988 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DDS, P.C. |
| Sole proprietor | No |
| NPI issued | Feb 16, 2007 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, General Practice Primary | 1223G0001X | 0401007051 | VA |
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 Feb 10, 2016 – Feb 10, 2028 |
| 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) | 50 · 50 30-day fills |
|---|---|
| Patients | 34 |
| Total drug cost | $149.99 |
| Generic share | 100% of claims |
Industry payments (Open Payments)
- 2025$46.92 · 2 payments from 2 companies
- 2024$516.20 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zimvie Inc. | $32.61 | 1 |
| Align Technology, Inc. | $14.31 | 1 |
What the 2025 payments were for
- Food and Beverage$46.92 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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