Quan Dong Nguyen, MD
NPI 1487608766ActiveIndividual· Ophthalmology, Uveitis and Ocular Inflammatory Disease· Stanford, CA
Ophthalmology, Uveitis and Ocular Inflammatory Disease (MD) in Stanford, California, trained at Perelman School of Med at the University of Pennsylvania (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $1,328,244 for 546 claims, against $37,431 paid for services in 2024. Mallinckrodt Hospital Products Inc. was the largest of 13 companies reporting payments in 2025, $141,789 in all, mostly speaking and faculty fees.
Overview
| NPI | 1487608766 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 20, 2006 |
| Last updated in NPPES | Apr 4, 2024 |
| Certified by provider | Apr 4, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology, Uveitis and Ocular Inflammatory Disease Primary | 207WX0108X | G144498 | CA |
| Ophthalmology | 207W00000X | G144498 | CA |
| Ophthalmology | 207W00000X | D53275 | MD |
| Ophthalmology, Retina Specialist | 207WX0107X | G144498 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 147 |
|---|---|
| Services billed | 625 across 28 procedure codes |
| Paid by Medicare | $37,431 |
Part D prescriptions in 2024
| Prescriptions (claims) | 546 · 1,072 30-day fills |
|---|---|
| Patients | 96 |
| Total drug cost | $1,328,244 |
| Generic share | 65% of claims |
Education and affiliations
| Medical school | Perelman School of Med at the University of Pennsylvania |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Ophthalmology |
Medical groups
- Stanford Health CareStanford, CA · 3,122 clinicians
- County of Santa ClaraSan Jose, CA · 1,022 clinicians
Hospital affiliations
- Santa Clara Valley Medical CenterSan Jose, CA
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2025$141,789 · 117 payments from 13 companies
- 2024$95,699 · 103 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mallinckrodt Hospital Products Inc. | $85,436 | 57 |
| Regeneron Pharmaceuticals, Inc. | $26,047 | 16 |
| Boehringer Ingelheim International Gmbh | $16,350 | 4 |
| Genentech USA, Inc. | $3,565 | 2 |
| Harrow Eye, LLC | $2,937 | 2 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$73,600 · 7 payments
- Travel and Lodging$34,581 · 25 payments
- Consulting Fee$29,610 · 11 payments
- Food and Beverage$3,998 · 74 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records