Monica Huyentran Lieu, PA
NPI 1184225377ActiveIndividual· Clinical Nurse Specialist, Psych/Mental Health· Santa Ana, CA
Clinical Nurse Specialist, Psych/Mental Health (PA) with Pacific Neuropsychiatric Specialists Inc, practicing in Santa Ana, California. In 2024 Medicare paid $15,602 for 182 patients, and Part D covered 584 of their prescriptions, 82% of them generic. Janssen Pharmaceuticals, Inc was the largest of 20 companies reporting payments in 2025, $4,466 in all, mostly food and beverage.
Overview
| NPI | 1184225377 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Nov 4, 2020 |
| Last updated in NPPES | Aug 29, 2025 |
| Certified by provider | Aug 29, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Clinical Nurse Specialist, Psych/Mental Health Primary | 364SP0808X | PA60511 | CA |
| Physician Assistant | 363A00000X | 60511 | 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 - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 182 |
|---|---|
| Services billed | 332 across 21 procedure codes |
| Paid by Medicare | $15,602 |
Part D prescriptions in 2024
| Prescriptions (claims) | 584 · 780 30-day fills |
|---|---|
| Patients | 371 |
| Total drug cost | $13,858 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Pacific Neuropsychiatric Specialists IncCorona, CA · 72 clinicians
Industry payments (Open Payments)
- 2025$4,466 · 197 payments from 20 companies
- 2024$70.84 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Pharmaceuticals, Inc | $609.58 | 19 |
| Otsuka America Pharmaceutical, Inc. | $489.71 | 20 |
| Abbvie Inc. | $487.94 | 22 |
| Neurocrine Biosciences, Inc. | $383.85 | 14 |
| Teva Pharmaceuticals USA, Inc. | $359.63 | 21 |
What the 2025 payments were for
- Food and Beverage$4,466 · 197 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Clinical Nurse Specialist, Psych/Mental Health providers in Santa Ana
- 1851947220
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All Clinical Nurse Specialist, Psych/Mental Health providers in California →