Nguyen Nguyen
NPI 1013364900ActiveIndividual· Family Medicine· Fairfield, CA
Family Medicine with Northbay Physicians Surgery Center, LLC and 1 other group, practicing in Fairfield, California. Their prescriptions cost Medicare Part D more than their services did: $489,024 for 5,706 claims, against $153,542 paid for services in 2024. Exact Sciences Corporation was the largest of 2 companies reporting payments in 2025, $45.71 in all, mostly food and beverage. Lists Northbay Medical Center as a hospital affiliation.
Overview
| NPI | 1013364900 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | May 20, 2016 |
| Last updated in NPPES | Aug 15, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A162315 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 365 |
|---|---|
| Services billed | 2,619 across 49 procedure codes |
| Paid by Medicare | $153,542 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,706 · 12,359 30-day fills |
|---|---|
| Patients | 442 |
| Total drug cost | $489,024 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical groups
- Northbay Physicians Surgery Center, LLCFairfield, CA · 324 clinicians
- Northbay Health Medical FoundationFairfield, CA · 213 clinicians
Hospital affiliation
- Northbay Medical CenterFairfield, CA
Other facilities
- Angelcare Home Health Services, LLCHome health agency · Milpitas, CA
- Ascension Healthcare ServicesHome health agency · Campbell, CA
- Assist on Call Professional In-Home Care ServicesHome health agency · Pleasant Hill, CA
- Healthflex Home Health ServicesHome health agency · Oakland, CA
- Mission Home Health of Contra CostaHome health agency · Concord, CA
Industry payments (Open Payments)
- 2025$45.71 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $25.12 | 1 |
| Novo Nordisk Inc | $20.59 | 1 |
What the 2025 payments were for
- Food and Beverage$45.71 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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