Thanh Thi Phuong Nguyen, FNP
Nurse Practitioner (FNP) with Iqbal Surgical Associates Inc, practicing in Fountain Valley, California. Their prescriptions cost Medicare Part D more than their services did: $3,926 for 161 claims, against $1,841 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 9 companies reporting payments in 2025, $1,062 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 | 1972998094 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | No |
| NPI issued | Apr 6, 2015 |
| Last updated in NPPES | Oct 26, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 95001916 | 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 | Thanh Ngoc Nguyen · Personal Care Provid | 1128a1 | Jul 20, 2017 | Elk Grove, 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 | 12 |
|---|---|
| Services billed | 24 across 8 procedure codes |
| Paid by Medicare | $1,841 |
Part D prescriptions in 2024
| Prescriptions (claims) | 161 · 173 30-day fills |
|---|---|
| Patients | 76 |
| Total drug cost | $3,926 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Iqbal Surgical Associates IncFountain Valley, CA · 4 clinicians
Industry payments (Open Payments)
- 2025$1,062 · 12 payments from 9 companies
- 2024$863.04 · 11 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $282.65 | 3 |
| Aimmune Therapeutics, Inc. | $249.56 | 2 |
| Medtronic, Inc. | $175.73 | 1 |
| Phathom Pharmaceuticals, Inc. | $143.42 | 1 |
| Mayne Pharma Commercial LLC | $123.75 | 1 |
What the 2025 payments were for
- Food and Beverage$1,062 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 30 nurse practitioners in Fountain Valley · All nurse practitioners in California