Cori Lee Chastain, FNP-C
NPI 1265143416ActiveIndividual· Nurse Practitioner, Family· Irvine, CA
Nurse Practitioner, Family (FNP-C) with Hoag Clinic, practicing in Irvine, California. Part D covered 503 prescriptions written in 2024, 75% of them generic. Astellas Pharma US Inc was the largest of 9 companies reporting payments in 2025, $527.06 in all, mostly food and beverage. Lists Hoag Memorial Hospital Presbyterian as a hospital affiliation.
Overview
| NPI | 1265143416 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-C |
| Sole proprietor | No |
| NPI issued | Dec 8, 2022 |
| Last updated in NPPES | Oct 9, 2026 |
| Certified by provider | Oct 9, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | NP95022821 | 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) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 503 · 817 30-day fills |
|---|---|
| Patients | 207 |
| Total drug cost | $1,700,421 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Hoag ClinicNewport Beach, CA · 460 clinicians
Hospital affiliation
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
Industry payments (Open Payments)
- 2025$527.06 · 15 payments from 9 companies
- 2024$4,030 · 155 payments from 38 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $283.66 | 5 |
| Lilly USA, LLC | $54.76 | 2 |
| Novartis Pharmaceuticals Corporation | $42.94 | 2 |
| Karyopharm Therapeutics Inc. | $34.40 | 1 |
| Springworks Therapeutics, Inc. | $29.40 | 1 |
What the 2025 payments were for
- Food and Beverage$427.11 · 14 payments
- Education$99.95 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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