Glenn Hsuan Chen Chang, D.D.S.
NPI 1114191251ActiveIndividual· Dentist, Periodontics· Diamond Bar, CA
Dentist, Periodontics (D.D.S.) in Diamond Bar, California, licensed in CA, with an NPI issued in April 2008. Part D covered 108 prescriptions written in 2024, 96% of them generic. Envista Holdings Corporation reported $22.99 in payments in 2025, mostly education.
Overview
| NPI | 1114191251 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.D.S. |
| Sole proprietor | No |
| NPI issued | Apr 19, 2008 |
| Last updated in NPPES | Oct 5, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, Periodontics Primary | 1223P0300X | 54537 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 108 · 115 30-day fills |
|---|---|
| Patients | 36 |
| Total drug cost | $594.16 |
| Generic share | 96% of claims |
Industry payments (Open Payments)
- 2025$22.99 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Envista Holdings Corporation | $22.99 | 1 |
What the 2025 payments were for
- Education$22.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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