Tam Nguyen, NURSE PRACTITIONER
Nurse Practitioner, Family (NURSE PRACTITIONER) in Buena Park, California, licensed in CA, with an NPI issued in March 2023. Mostly services rather than prescriptions: Medicare paid $46,847 for 105 patients in 2024, with only 27 Part D claims. Mayne Pharma Commercial LLC reported $121.08 in payments in 2025, mostly food and beverage. A record with the same name and state is on the OIG exclusion list; it carries no NPI, so check it before acting.
Overview
| NPI | 1073218186 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NURSE PRACTITIONER |
| Sole proprietor | Yes |
| NPI issued | Mar 31, 2023 |
| Last updated in NPPES | Nov 1, 2023 |
| Certified by provider | Nov 1, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 95024571 | CA |
Exclusion screening
Possible match: verify before acting. The OIG list has a record with the same name in California, but that record carries no NPI, so it may be a different person or business.
| Matched by | Name on OIG list | Exclusion type | Excluded since | Location |
|---|---|---|---|---|
| Name + state | Tam Van Nguyen · Chiropractic | 1128a3 | Jul 19, 2012 | Westminster, CA |
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | Possible (name) | See above |
| 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 - Nurse Practitioner (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 105 |
|---|---|
| Services billed | 417 across 32 procedure codes |
| Paid by Medicare | $46,847 |
Part D prescriptions in 2024
| Prescriptions (claims) | 27 · 35 30-day fills |
|---|---|
| Patients | 26 |
| Total drug cost | $559.07 |
| Generic share | 89% of claims |
Industry payments (Open Payments)
- 2025$121.08 · 1 payment from 1 company
- 2024$55.50 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mayne Pharma Commercial LLC | $121.08 | 1 |
What the 2025 payments were for
- Food and Beverage$121.08 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 35 family nurse practitioners in Buena Park · All family nurse practitioners in California