Crystal Herrera, APRN
NPI 1831820182ActiveIndividual· Nurse Practitioner, Acute Care· San Antonio, TX
Nurse Practitioner, Acute Care (APRN) with Usacs Integrated Acute Care Services of Texas, PLLC and 1 other group, practicing in San Antonio, Texas. 402 Medicare patients in 2024, $67,295 paid; nearly all of their 273 Part D prescriptions were generic (93%). Endologix LLC was the largest of 3 companies reporting payments in 2025, $198.02 in all, mostly food and beverage. Lists Baptist Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1831820182 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN |
| Sole proprietor | No |
| NPI issued | Jun 17, 2022 |
| Last updated in NPPES | Oct 4, 2023 |
| Certified by provider | Oct 4, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | 1096615 | 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 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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 402 |
|---|---|
| Services billed | 952 across 8 procedure codes |
| Paid by Medicare | $67,295 |
Part D prescriptions in 2024
| Prescriptions (claims) | 273 · 281 30-day fills |
|---|---|
| Patients | 104 |
| Total drug cost | $8,794 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Usacs Integrated Acute Care Services of Texas, PLLCKerrville, TX · 387 clinicians
- Transitional Care Physicians PLLCSan Antonio, TX · 43 clinicians
Hospital affiliations
- Baptist Medical CenterSan Antonio, TX
- Baptist Neighborhood Hospital Thousand OaksSan Antonio, TX
- Westover Hills Baptist HospitalSan Antonio, TX
Industry payments (Open Payments)
- 2025$198.02 · 3 payments from 3 companies
- 2024$95.32 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Endologix LLC | $145.33 | 1 |
| Vertex Pharmaceuticals Incorporated | $32.82 | 1 |
| Collegium Pharmaceutical, Inc. | $19.87 | 1 |
What the 2025 payments were for
- Food and Beverage$198.02 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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