Amy Michell Castillo, DNP-PMHNP
NPI 1659037265ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Marana, AZ
Nurse Practitioner, Psych/Mental Health (DNP-PMHNP) with Marana Health Center Inc and 1 other group, practicing in Marana, Arizona. Part D covered 1,338 prescriptions written in 2024, 97% of them generic. Gilead Sciences, Inc. reported $22.00 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1659037265 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DNP-PMHNP |
| Sole proprietor | Yes |
| NPI issued | Nov 9, 2021 |
| Last updated in NPPES | Sep 21, 2022 |
| Certified by provider | Sep 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | 233428 | AZ |
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 (AZ) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 1,338 · 2,179 30-day fills |
|---|---|
| Patients | 101 |
| Total drug cost | $53,868 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Marana Health Center IncMarana, AZ · 113 clinicians
- Sonora Behavioral Health Hospital LLCTucson, AZ · 9 clinicians
Industry payments (Open Payments)
- 2025$22.00 · 1 payment from 1 company
- 2024$68.66 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $22.00 | 1 |
What the 2025 payments were for
- Food and Beverage$22.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 20 psychiatric nurse practitioners in Marana · All psychiatric nurse practitioners in Arizona