Hanh Tuyet Thi Nguyen, APRN, PMHNP-BC
Nurse Practitioner, Psych/Mental Health (APRN, PMHNP-BC) with Ut Physicians, practicing in Houston, Texas. Their prescriptions cost Medicare Part D more than their services did: $310,282 for 628 claims, against $36,161 paid for services in 2024. Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) was the largest of 11 companies reporting payments in 2025, $1,849 in all, 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 | 1003454653 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN, PMHNP-BC |
| Sole proprietor | Yes |
| NPI issued | Dec 13, 2019 |
| Last updated in NPPES | Apr 18, 2023 |
| Certified by provider | Apr 18, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | AP143641 | TX |
Exclusion screening
Possible match: verify before acting. The OIG list has a record with the same name in Texas, 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 | Hanh Hong Thi Nguyen · Clinic | 1128a1 | Mar 20, 2023 | Houston, TX |
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | Possible (name) | See above |
| 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 - Nurse Practitioner (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 33 |
|---|---|
| Services billed | 452 across 11 procedure codes |
| Paid by Medicare | $36,161 |
Part D prescriptions in 2024
| Prescriptions (claims) | 628 · 916 30-day fills |
|---|---|
| Patients | 60 |
| Total drug cost | $310,282 |
| Generic share | 71% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Ut PhysiciansHouston, TX · 1,765 clinicians
Industry payments (Open Payments)
- 2025$1,849 · 77 payments from 11 companies
- 2024$1,496 · 41 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $688.09 | 27 |
| Otsuka America Pharmaceutical, Inc. | $257.82 | 11 |
| Livanova USA, Inc. | $209.34 | 4 |
| Abbvie Inc. | $162.45 | 14 |
| Neurocrine Biosciences, Inc. | $132.04 | 5 |
What the 2025 payments were for
- Food and Beverage$1,849 · 77 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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