Katia Castillo, ACNP
NPI 1487079968ActiveIndividual· Clinical Nurse Specialist, Acute Care· San Antonio, TX
Clinical Nurse Specialist, Acute Care (ACNP) with Usacs Integrated Acute Care Services of Texas, PLLC, practicing in San Antonio, Texas. In 2024 Medicare paid $55,933 for 455 patients, and Part D covered 278 of their prescriptions, 88% of them generic. Boston Scientific Corporation was the largest of 3 companies reporting payments in 2025, $385.23 in all, mostly food and beverage. Lists Methodist Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1487079968 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ACNP |
| Sole proprietor | Yes |
| NPI issued | Feb 20, 2014 |
| Last updated in NPPES | May 16, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Clinical Nurse Specialist, Acute Care Primary | 364SA2100X | 783798 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 455 |
|---|---|
| Services billed | 825 across 15 procedure codes |
| Paid by Medicare | $55,933 |
Part D prescriptions in 2024
| Prescriptions (claims) | 278 · 297 30-day fills |
|---|---|
| Patients | 165 |
| Total drug cost | $13,501 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Usacs Integrated Acute Care Services of Texas, PLLCKerrville, TX · 387 clinicians
Hospital affiliations
- Methodist HospitalSan Antonio, TX
- Peterson Regional Medical CenterKerrville, TX
Industry payments (Open Payments)
- 2025$385.23 · 3 payments from 3 companies
- 2024$690.10 · 6 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $141.57 | 1 |
| Otsuka America Pharmaceutical, Inc. | $124.98 | 1 |
| Abiomed | $118.68 | 1 |
What the 2025 payments were for
- Food and Beverage$385.23 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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