Garett R. Istre, N.P.
NPI 1174914626ActiveIndividual· Nurse Practitioner, Family· Lake Charles, LA
Nurse Practitioner, Family (N.P.) with Calcasieu Cameron Hospital Service District, practicing in Lake Charles, Louisiana. Their prescriptions cost Medicare Part D more than their services did: $95,554 for 2,422 claims, against $22,169 paid for services in 2024. Vanda Pharmaceuticals Inc. was the largest of 3 companies reporting payments in 2025, $339.48 in all, mostly food and beverage. Lists West Calcasieu Cameron Hospital as a hospital affiliation.
Overview
| NPI | 1174914626 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | N.P. |
| Sole proprietor | No |
| NPI issued | Feb 5, 2015 |
| Last updated in NPPES | Jun 4, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | AP08181 | LA |
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 (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 195 |
|---|---|
| Services billed | 1,053 across 33 procedure codes |
| Paid by Medicare | $22,169 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,422 · 4,996 30-day fills |
|---|---|
| Patients | 279 |
| Total drug cost | $95,554 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Calcasieu Cameron Hospital Service DistrictSulphur, LA · 49 clinicians
Hospital affiliation
- West Calcasieu Cameron HospitalSulphur, LA
Other facilities
- West Calcasieu Cameron Hospital HhaHome health agency · Sulphur, LA
Industry payments (Open Payments)
- 2025$339.48 · 8 payments from 3 companies
- 2024$144.08 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vanda Pharmaceuticals Inc. | $205.53 | 6 |
| Abbvie Inc. | $111.18 | 1 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $22.77 | 1 |
What the 2025 payments were for
- Food and Beverage$339.48 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 205 family nurse practitioners in Lake Charles · All family nurse practitioners in Louisiana