Crystal Carol Kizarr, APRN
NPI 1053661181ActiveIndividual· Nurse Practitioner, Family· Duncan, OK
Nurse Practitioner, Family (APRN) with Cancer Centers of Southwest Oklahoma, LLC, practicing in Duncan, Oklahoma. Their prescriptions cost Medicare Part D more than their services did: $129,492 for 718 claims, against $19,102 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 28 companies reporting payments in 2025, $1,519 in all, mostly food and beverage. Lists Duncan Regional Hospital, Inc and 1 other hospital as hospital affiliations.
Overview
| NPI | 1053661181 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN |
| Sole proprietor | No |
| NPI issued | Sep 17, 2012 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 72859 | OK |
| Nurse Practitioner | 363L00000X | 72859 | OK |
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 (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 289 |
|---|---|
| Services billed | 400 across 3 procedure codes |
| Paid by Medicare | $19,102 |
Part D prescriptions in 2024
| Prescriptions (claims) | 718 · 1,046 30-day fills |
|---|---|
| Patients | 180 |
| Total drug cost | $129,492 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Cancer Centers of Southwest Oklahoma, LLCLawton, OK · 20 clinicians
Hospital affiliations
- Duncan Regional Hospital, IncDuncan, OK
- Memorial HealthLawton, OK
Industry payments (Open Payments)
- 2025$1,519 · 63 payments from 28 companies
- 2024$1,163 · 56 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $285.02 | 13 |
| Janssen Biotech, Inc. | $199.46 | 6 |
| Incyte Corporation | $145.52 | 3 |
| Merck Sharp & Dohme LLC | $136.34 | 7 |
| Alexion Pharmaceuticals, Inc. | $63.73 | 2 |
What the 2025 payments were for
- Food and Beverage$1,321 · 61 payments
- Education$198.00 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Nurse Practitioner, Family providers in Duncan
- 1861192619
- 1710720883
- 1497336861
- 1972265940
- 1073375283
- 1265074975
- 1891531745
- 1508729971
- 1710453790
- 1215518238
- 1467970657
- 1770880916