Lam Duy Nguyen
NPI 1558995860ActiveIndividual· Registered Nurse, Psych/Mental Health· Cerritos, CA
Registered Nurse, Psych/Mental Health with Jason Kellogg MD Inc, practicing in Cerritos, California. Their prescriptions cost Medicare Part D more than their services did: $68,708 for 776 claims, against $6,915 paid for services in 2024. Acadia Pharmaceuticals Inc reported $45.79 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1558995860 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Feb 25, 2020 |
| Last updated in NPPES | Feb 25, 2020 |
| Certified by provider | Feb 25, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Registered Nurse, Psych/Mental Health Primary | 163WP0808X | 820798 | 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 | 32 |
|---|---|
| Services billed | 122 across 3 procedure codes |
| Paid by Medicare | $6,915 |
Part D prescriptions in 2024
| Prescriptions (claims) | 776 · 778 30-day fills |
|---|---|
| Patients | 91 |
| Total drug cost | $68,708 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Jason Kellogg MD IncFresno, CA · 19 clinicians
Industry payments (Open Payments)
- 2025$45.79 · 2 payments from 1 company
- 2024$522.17 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Acadia Pharmaceuticals Inc | $45.79 | 2 |
What the 2025 payments were for
- Food and Beverage$45.79 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 17 Registered Nurse, Psych/Mental Health providers in Cerritos · All Registered Nurse, Psych/Mental Health providers in California