Joanne Nguyen Lam, PMHNP-BC
NPI 1457043317ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Cerritos, CA
Nurse Practitioner, Psych/Mental Health (PMHNP-BC) in Cerritos, California, licensed in CA, with an NPI issued in May 2023. 96 Medicare patients in 2024, $68,740 paid; nearly all of their 885 Part D prescriptions were generic (99%). Indivior Inc. was the largest of 3 companies reporting payments in 2025, $104.26 in all, mostly food and beverage.
Overview
| NPI | 1457043317 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PMHNP-BC |
| Sole proprietor | No |
| NPI issued | May 22, 2023 |
| Last updated in NPPES | May 22, 2023 |
| Certified by provider | May 20, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | NP95025105 | 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 - Nurse Practitioner (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 96 |
|---|---|
| Services billed | 844 across 14 procedure codes |
| Paid by Medicare | $68,740 |
Part D prescriptions in 2024
| Prescriptions (claims) | 885 · 900 30-day fills |
|---|---|
| Patients | 83 |
| Total drug cost | $18,079 |
| Generic share | 99% of claims |
Industry payments (Open Payments)
- 2025$104.26 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Indivior Inc. | $40.66 | 1 |
| Vanda Pharmaceuticals Inc. | $39.69 | 1 |
| Supernus Pharmaceuticals, Inc. | $23.91 | 1 |
What the 2025 payments were for
- Food and Beverage$104.26 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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