Dagny Zhu Luong, MD
NPI 1790044626ActiveIndividual· Ophthalmology· Orange, CA
Ophthalmology (MD) in Orange, California, licensed in CA, with an NPI issued in May 2012. Part D covered 32 prescriptions written in 2024, 69% of them generic. Alcon Vision LLC was the largest of 14 companies reporting payments in 2025, $144,877 in all, mostly consulting fees.
Overview
| NPI | 1790044626 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 12, 2012 |
| Last updated in NPPES | Sep 1, 2026 |
| Certified by provider | Sep 1, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | A127715 | CA |
| Ophthalmology, Cornea and External Diseases Specialist | 207WX0120X | A127715 | 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 - Ophthalmology (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 32 · 35 30-day fills |
|---|---|
| Patients | 14 |
| Total drug cost | $4,235 |
| Generic share | 69% of claims |
Industry payments (Open Payments)
- 2025$144,877 · 172 payments from 14 companies
- 2024$129,289 · 171 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $84,687 | 66 |
| Bausch & Lomb Americas Inc. | $25,633 | 37 |
| Alcon Research LLC | $18,000 | 8 |
| Johnson & Johnson Surgical Vision, Inc. | $6,325 | 16 |
| Abbvie Inc. | $5,024 | 8 |
What the 2025 payments were for
- Consulting Fee$111,025 · 58 payments
- Compensation for serving as faculty or as a speaker for a medical education program$17,463 · 8 payments
- Travel and Lodging$11,028 · 10 payments
- Food and Beverage$4,862 · 95 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$500.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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