Carolyn M. Duong, OD
NPI 1073878096ActiveIndividual· Optometrist· Orange, CA
Optometrist (OD) in Orange, California, trained at Southern California College of Optometry (class of 2012). In 2024 Medicare paid $41,943 for 361 patients, and Part D covered 574 of their prescriptions, 56% of them generic. Harrow Eye, LLC was the largest of 3 companies reporting payments in 2025, $272.02 in all, mostly food and beverage.
Overview
| NPI | 1073878096 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Jul 5, 2012 |
| Last updated in NPPES | Oct 25, 2024 |
| Certified by provider | Sep 25, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 14422 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 361 |
|---|---|
| Services billed | 705 across 17 procedure codes |
| Paid by Medicare | $41,943 |
Part D prescriptions in 2024
| Prescriptions (claims) | 574 · 1,042 30-day fills |
|---|---|
| Patients | 174 |
| Total drug cost | $43,926 |
| Generic share | 56% of claims |
Education and affiliations
| Medical school | Southern California College of Optometry |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Optometry |
Medical groups
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
- Regents of the University of CaliforniaOrange, CA · 54 clinicians
Hospital affiliation
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2025$272.02 · 3 payments from 3 companies
- 2024$234.63 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Harrow Eye, LLC | $118.53 | 1 |
| Bausch & Lomb Americas Inc. | $113.23 | 1 |
| Sun Pharmaceutical Industries Inc. | $40.26 | 1 |
What the 2025 payments were for
- Food and Beverage$272.02 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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