Eric Gillies, NP
NPI 1417620618ActiveIndividual· Nurse Practitioner, Family· Casper, WY
Nurse Practitioner, Family (NP) with Gastroenterology Associates, LLC, practicing in Casper, Wyoming. Their prescriptions cost Medicare Part D more than their services did: $158,400 for 638 claims, against $39,065 paid for services in 2024. Takeda Pharmaceuticals U.S.A., Inc. was the largest of 3 companies reporting payments in 2025, $153.16 in all, mostly food and beverage. Lists Cheyenne Regional Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1417620618 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Jul 26, 2021 |
| Last updated in NPPES | Dec 11, 2024 |
| Certified by provider | Dec 11, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 50974 | WY |
| Registered Nurse, Ambulatory Care | 163WP2201X | 40289 | WY |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | WY |
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 (WY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 366 |
|---|---|
| Services billed | 708 across 12 procedure codes |
| Paid by Medicare | $39,065 |
Part D prescriptions in 2024
| Prescriptions (claims) | 638 · 1,192 30-day fills |
|---|---|
| Patients | 292 |
| Total drug cost | $158,400 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Gastroenterology Associates, LLCCasper, WY · 13 clinicians
Hospital affiliations
- Cheyenne Regional Medical CenterCheyenne, WY
- Memorial Hospital of Carbon CountyRawlins, WY
- Memorial Hospital Sweetwater CountyRock Springs, WY
- North Platte Valley Medical CenterSaratoga, WY
Industry payments (Open Payments)
- 2025$153.16 · 8 payments from 3 companies
- 2024$14.51 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $56.19 | 3 |
| Madrigal Pharmaceuticals | $54.44 | 3 |
| Janssen Biotech, Inc. | $42.53 | 2 |
What the 2025 payments were for
- Food and Beverage$153.16 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 87 family nurse practitioners in Casper · All family nurse practitioners in Wyoming