Isabel Duong, OD
NPI 1215421367ActiveIndividual· Optometrist· Torrance, CA
Optometrist (OD) in Torrance, California, licensed in CA, with an NPI issued in June 2018. Part D covered 260 prescriptions written in 2024, 50% of them generic. Alcon Vision LLC was the largest of 8 companies reporting payments in 2025, $773.70 in all, mostly food and beverage.
Overview
| NPI | 1215421367 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Jun 21, 2018 |
| Last updated in NPPES | May 12, 2023 |
| Certified by provider | May 12, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 33977 | 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 Practitioner - Optometry (CA); Practitioner - Optometry (WA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 260 · 499 30-day fills |
|---|---|
| Patients | 112 |
| Total drug cost | $51,890 |
| Generic share | 50% of claims |
Industry payments (Open Payments)
- 2025$773.70 · 23 payments from 8 companies
- 2024$615.43 · 17 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $356.33 | 6 |
| Tarsus Pharmaceuticals, Inc. | $116.27 | 5 |
| Bausch & Lomb Americas Inc. | $107.86 | 5 |
| Rxsight Inc | $57.52 | 2 |
| Oyster Point Pharma, Inc. | $44.34 | 2 |
What the 2025 payments were for
- Food and Beverage$740.89 · 22 payments
- Honoraria$32.81 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 121 optometrists in Torrance · All optometrists in California