Nai-Yuan Nicholas Chang, MD, DDS, PHD
NPI 1548938749ActiveIndividual· Dentist· Salem, OR
Dentist (MD, DDS, PHD) in Salem, Oregon, licensed in OR and CA, with an NPI issued in September 2021. Part D covered 90 prescriptions written in 2024, 96% of them generic. Straumann USA LLC was the largest of 2 companies reporting payments in 2025, $411.81 in all, mostly education.
Overview
| NPI | 1548938749 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, DDS, PHD |
| Sole proprietor | Yes |
| NPI issued | Sep 1, 2021 |
| Last updated in NPPES | Sep 13, 2024 |
| Certified by provider | Sep 13, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist Primary | 122300000X | D11590 | OR |
| Dentist | 122300000X | DDS106391 | 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 (OR) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 90 · 95 30-day fills |
|---|---|
| Patients | 45 |
| Total drug cost | $3,866 |
| Generic share | 96% of claims |
Industry payments (Open Payments)
- 2025$411.81 · 4 payments from 2 companies
- 2024$35.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Straumann USA LLC | $318.24 | 2 |
| Stryker Corporation | $93.57 | 2 |
What the 2025 payments were for
- Education$300.00 · 1 payment
- Food and Beverage$111.81 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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