Quan Hoang Nguyen, M.D.
NPI 1760402770ActiveIndividual· Specialist· Fountain Valley, CA
Specialist (M.D.) in Fountain Valley, California, trained at University of California, Geffen School of Medicine (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $626,156 for 1,427 claims, against $115,741 paid for services in 2024. Galderma Laboratories, L.P. was the largest of 14 companies reporting payments in 2025, $3,338 in all, mostly food and beverage.
Overview
| NPI | 1760402770 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 20, 2006 |
| Last updated in NPPES | Jun 17, 2025 |
| Certified by provider | Jun 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | G071956 | 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 - Dermatology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 467 |
|---|---|
| Services billed | 1,539 across 34 procedure codes |
| Paid by Medicare | $115,741 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,427 · 1,527 30-day fills |
|---|---|
| Patients | 500 |
| Total drug cost | $626,156 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Dermatology |
Industry payments (Open Payments)
- 2025$3,338 · 123 payments from 14 companies
- 2024$3,172 · 109 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Galderma Laboratories, L.P. | $610.98 | 17 |
| Abbvie Inc. | $608.14 | 29 |
| Ucb, Inc. | $487.27 | 9 |
| Amgen Inc. | $395.79 | 24 |
| Pfizer Inc. | $393.88 | 14 |
What the 2025 payments were for
- Food and Beverage$3,338 · 123 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 63 Specialist providers in Fountain Valley · All Specialist providers in California