Peter Duy-Minh Nguyen-Dang, MD
NPI 1710449822ActiveIndividual· Internal Medicine· Westminster, CA
Internal Medicine (MD) with Socal Hospitalists, practicing in Westminster, California. Part D covered 3,448 prescriptions written in 2024, 87% of them generic. Gilead Sciences, Inc. was the largest of 3 companies reporting payments in 2025, $72.67 in all, mostly food and beverage. Lists Memorialcare Orange Coast Medical Center as a hospital affiliation.
Overview
| NPI | 1710449822 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 5, 2019 |
| Last updated in NPPES | Oct 3, 2022 |
| Certified by provider | Oct 3, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A178332 | 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 - Internal Medicine (CA); Practitioner - Hospitalist (SD) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 3,448 · 6,847 30-day fills |
|---|---|
| Patients | 225 |
| Total drug cost | $326,649 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Socal HospitalistsLong Beach, CA · 30 clinicians
Hospital affiliation
- Memorialcare Orange Coast Medical CenterFountain Valley, CA
Industry payments (Open Payments)
- 2025$72.67 · 3 payments from 3 companies
- 2024$255.41 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $32.03 | 1 |
| Astrazeneca Pharmaceuticals LP | $24.16 | 1 |
| Xeris Pharmaceuticals, Inc. | $16.48 | 1 |
What the 2025 payments were for
- Food and Beverage$72.67 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Westminster
- 1003900366
- 1023081387
- 1023181658
- 1093701690
- 1104067925
- 1134123961
- 1255376414
- 1275561417
- 1386698660
- 1548223712
- 1548404304
- 1548479140
All 74 internal medicine physicians in Westminster · All internal medicine physicians in California