Shanna Poor Buffalo, APRN, CNP-FAMILY
NPI 1720430507ActiveIndividual· Nurse Practitioner, Family· Ada, OK
Nurse Practitioner, Family (APRN, CNP-FAMILY) with Wewoka Indian Health, practicing in Ada, Oklahoma. Their prescriptions cost Medicare Part D more than their services did: $43,219 for 654 claims, against $6,576 paid for services in 2024. Organon LLC reported $1.23 in payments in 2025, mostly food and beverage. Lists Chickasaw Nation Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1720430507 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN, CNP-FAMILY |
| Sole proprietor | No |
| NPI issued | Jul 6, 2016 |
| Last updated in NPPES | Sep 15, 2022 |
| Certified by provider | Sep 15, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 103544 | OK |
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 (OK); Practitioner - Nurse Practitioner (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 91 |
|---|---|
| Services billed | 209 across 11 procedure codes |
| Paid by Medicare | $6,576 |
Part D prescriptions in 2024
| Prescriptions (claims) | 654 · 664 30-day fills |
|---|---|
| Patients | 116 |
| Total drug cost | $43,219 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Wewoka Indian HealthWewoka, OK · 42 clinicians
Hospital affiliations
- Chickasaw Nation Medical CenterAda, OK
- Holdenville General HospitalHoldenville, OK
- Lawton Indian HospitalLawton, OK
Industry payments (Open Payments)
- 2025$1.23 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Organon LLC | $1.23 | 1 |
What the 2025 payments were for
- Food and Beverage$1.23 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 54 family nurse practitioners in Ada · All family nurse practitioners in Oklahoma