Gwendolyn Preston, FNP
NPI 1053752485ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Los Angeles, CA
Nurse Practitioner, Psych/Mental Health (FNP) with Pacific Clinics, practicing in Los Angeles, California. Their prescriptions cost Medicare Part D more than their services did: $838,132 for 2,363 claims, against $9,894 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 9 companies reporting payments in 2025, $1,693 in all, mostly food and beverage.
Overview
| NPI | 1053752485 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | Yes |
| NPI issued | Jul 15, 2013 |
| Last updated in NPPES | Oct 23, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | 21719 | CA |
| Nurse Practitioner, Family | 363LF0000X | 21719 | 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 | 56 |
|---|---|
| Services billed | 189 across 5 procedure codes |
| Paid by Medicare | $9,894 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,363 · 2,450 30-day fills |
|---|---|
| Patients | 106 |
| Total drug cost | $838,132 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Pacific ClinicsPasadena, CA · 72 clinicians
Industry payments (Open Payments)
- 2025$1,693 · 52 payments from 9 companies
- 2024$27.71 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $459.85 | 13 |
| Alkermes, Inc. | $373.94 | 9 |
| Abbvie Inc. | $233.75 | 11 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $189.35 | 7 |
| Teva Pharmaceuticals USA, Inc. | $165.43 | 4 |
What the 2025 payments were for
- Food and Beverage$1,693 · 52 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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