Pamella Chang, O.D.
NPI 1912492745ActiveIndividual· Optometrist· Riverside, CA
Optometrist (O.D.) in Riverside, California, licensed in CA, with an NPI issued in June 2018. Part D covered 93 prescriptions written in 2024, 48% of them generic. Bausch & Lomb Americas Inc. was the largest of 6 companies reporting payments in 2025, $1,801 in all, mostly food and beverage.
Overview
| NPI | 1912492745 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | Jun 25, 2018 |
| Last updated in NPPES | Jun 25, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 33943TLG | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Optometry (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 93 · 156 30-day fills |
|---|---|
| Patients | 46 |
| Total drug cost | $9,837 |
| Generic share | 48% of claims |
Industry payments (Open Payments)
- 2025$1,801 · 27 payments from 6 companies
- 2024$1,024 · 12 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bausch & Lomb Americas Inc. | $740.29 | 10 |
| Optos, Inc. | $357.78 | 2 |
| Tarsus Pharmaceuticals, Inc. | $298.95 | 4 |
| Coopervision Inc. | $141.40 | 3 |
| Alcon Vision LLC | $137.09 | 7 |
What the 2025 payments were for
- Food and Beverage$1,443 · 25 payments
- Entertainment$357.78 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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