Katelyn Diane Warren, DNP, AGACNP-BC
NPI 1891479788ActiveIndividual· Nurse Practitioner, Acute Care· Little Rock, AR
Nurse Practitioner, Acute Care (DNP, AGACNP-BC) in Little Rock, Arkansas, trained at University of Arkansas College of Medicine (class of 2023). Their prescriptions cost Medicare Part D more than their services did: $70,071 for 761 claims, against $5,777 paid for services in 2024. Pfizer Inc. was the largest of 3 companies reporting payments in 2025, $110.06 in all, mostly food and beverage.
Overview
| NPI | 1891479788 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DNP, AGACNP-BC |
| Sole proprietor | No |
| NPI issued | Jun 12, 2023 |
| Last updated in NPPES | Jun 12, 2023 |
| Certified by provider | Jun 12, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | 224750 | AR |
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 (AR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 82 |
|---|---|
| Services billed | 163 across 7 procedure codes |
| Paid by Medicare | $5,777 |
Part D prescriptions in 2024
| Prescriptions (claims) | 761 · 1,350 30-day fills |
|---|---|
| Patients | 187 |
| Total drug cost | $70,071 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | University of Arkansas College of Medicine |
|---|---|
| Graduation year | 2023 |
| Medicare specialty | Nurse Practitioner |
Medical group
- Saline Clinics LLCBenton, AR · 26 clinicians
Hospital affiliation
- Saline Memorial HospitalBenton, AR
Industry payments (Open Payments)
- 2025$110.06 · 6 payments from 3 companies
- 2024$85.67 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $77.42 | 4 |
| Cardiva Medical, Inc. | $17.48 | 1 |
| Merck Sharp & Dohme LLC | $15.16 | 1 |
What the 2025 payments were for
- Food and Beverage$110.06 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 268 acute care nurse practitioners in Little Rock · All acute care nurse practitioners in Arkansas