Linh Dan Nguyen, M.D.
NPI 1619932506ActiveIndividual· Specialist· Fountain Valley, CA
Specialist (M.D.) in Fountain Valley, California, trained at Un of California, Irvine, College of Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $73,312 for 879 claims, against $32,818 paid for services in 2024. Biogen, Inc. was the largest of 14 companies reporting payments in 2025, $664.53 in all, mostly food and beverage.
Overview
| NPI | 1619932506 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 20, 2006 |
| Last updated in NPPES | May 11, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | G80266 | 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 - Obstetrics/Gynecology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 169 |
|---|---|
| Services billed | 587 across 25 procedure codes |
| Paid by Medicare | $32,818 |
Part D prescriptions in 2024
| Prescriptions (claims) | 879 · 1,897 30-day fills |
|---|---|
| Patients | 158 |
| Total drug cost | $73,312 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | Un of California, Irvine, College of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Obstetrics/Gynecology |
| Telehealth | Offers telehealth |
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Memorialcare Long Beach Medical CenterLong Beach, CA
- Memorialcare Orange Coast Medical CenterFountain Valley, CA
- Memorialcare Saddleback Medical CenterLaguna Hills, CA
Industry payments (Open Payments)
- 2025$664.53 · 24 payments from 14 companies
- 2024$786.89 · 37 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biogen, Inc. | $216.87 | 9 |
| Mayne Pharma Commercial LLC | $151.20 | 2 |
| Abbvie Inc. | $42.90 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $33.89 | 1 |
| Astellas Pharma US Inc | $27.52 | 1 |
What the 2025 payments were for
- Food and Beverage$664.53 · 24 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