William L. Chen, DDS
NPI 1427155779ActiveIndividual· Dentist, Orthodontics and Dentofacial Orthopedics· Tustin, CA
Dentist, Orthodontics and Dentofacial Orthopedics (DDS) in Tustin, California, licensed in CA, with an NPI issued in September 2006. Enrolled in Medicare as order and referring only - dentist. American Orthodontics Corporation was the largest of 3 companies reporting payments in 2025, $295.29 in all, mostly food and beverage.
Overview
| NPI | 1427155779 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DDS |
| Sole proprietor | No |
| NPI issued | Sep 20, 2006 |
| Last updated in NPPES | Jan 17, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, Orthodontics and Dentofacial Orthopedics Primary | 1223X0400X | 51049 | 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) |
|---|
Industry payments (Open Payments)
- 2025$295.29 · 11 payments from 3 companies
- 2024$102.88 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| American Orthodontics Corporation | $156.56 | 3 |
| Align Technology, Inc. | $109.81 | 7 |
| Sonendo Inc | $28.92 | 1 |
What the 2025 payments were for
- Food and Beverage$295.29 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Dentist, Orthodontics and Dentofacial Orthopedics providers in California →