Lisa Ardath Castro, ARNP
NPI 1245542323ActiveIndividual· Nurse Practitioner· Greeley, CO
Nurse Practitioner (ARNP) with Centers for Gastroenterology, practicing in Greeley, Colorado. Mostly services rather than prescriptions: Medicare paid $3,184 for 50 patients in 2024, with only 14 Part D claims. Abbvie Inc. was the largest of 16 companies reporting payments in 2025, $1,391 in all, mostly food and beverage. Lists Medical Center of the Rockies and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1245542323 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ARNP |
| Sole proprietor | No |
| NPI issued | Jul 6, 2010 |
| Last updated in NPPES | Jan 21, 2026 |
| Certified by provider | Jan 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 0105328 | CO |
| Nurse Practitioner | 363L00000X | 31391 | TN |
| Nurse Practitioner | 363L00000X | 905746 | MS |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (CO); Practitioner - Nurse Practitioner (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 50 |
|---|---|
| Services billed | 53 across 8 procedure codes |
| Paid by Medicare | $3,184 |
Part D prescriptions in 2024
| Prescriptions (claims) | 14 · 18 30-day fills |
|---|---|
| Patients | 12 |
| Total drug cost | $2,960 |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Centers for GastroenterologyLoveland, CO · 38 clinicians
Hospital affiliations
- Medical Center of the RockiesLoveland, CO
- Methodist Hospitals of MemphisMemphis, TN
- Poudre Valley HospitalFort Collins, CO
- St Elizabeth HospitalFort Morgan, CO
- Uchealth Greeley HospitalGreeley, CO
Industry payments (Open Payments)
- 2025$1,391 · 94 payments from 16 companies
- 2024$314.69 · 19 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $343.94 | 31 |
| Janssen Biotech, Inc. | $180.28 | 10 |
| Gilead Sciences, Inc. | $154.95 | 12 |
| Lilly USA, LLC | $102.89 | 7 |
| Takeda Pharmaceuticals U.S.A., Inc. | $100.05 | 5 |
What the 2025 payments were for
- Food and Beverage$1,391 · 94 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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