Leon H. Chang, D.D.S.
NPI 1982868949ActiveIndividual· Dentist, General Practice· Union City, CA
Dentist, General Practice (D.D.S.) in Union City, California, licensed in CA, with an NPI issued in July 2008. Part D covered 15 prescriptions written in 2024, 100% of them generic. Ultradent Products Inc was the largest of 2 companies reporting payments in 2025, $252.61 in all, mostly gifts.
Overview
| NPI | 1982868949 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.D.S. |
| Sole proprietor | No |
| NPI issued | Jul 17, 2008 |
| Last updated in NPPES | Jul 17, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, General Practice Primary | 1223G0001X | 46764 | 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) | 15 · 15 30-day fills |
|---|---|
| Patients | 13 |
| Total drug cost | $142.34 |
| Generic share | 100% of claims |
Industry payments (Open Payments)
- 2025$252.61 · 3 payments from 2 companies
- 2024$39.75 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ultradent Products Inc | $180.99 | 1 |
| Align Technology, Inc. | $71.62 | 2 |
What the 2025 payments were for
- Gift$180.99 · 1 payment
- Food and Beverage$71.62 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other general dentists in Union City
- 1003837774
- 1033216957
- 1104902535
- 1215027651
- 1427106509
- 1508972605
- 1619399326
- 1659397735
- 1871700294
- 1932607678
- 1003974494
- 1043901259
All 64 general dentists in Union City · All general dentists in California