Tammy Holder, CNP
NPI 1730530932ActiveIndividual· Nurse Practitioner· Tishomingo, OK
Nurse Practitioner (CNP) with Chickasaw Nation Division of Health Chickasaw Nation Medical Center, practicing in Tishomingo, Oklahoma. Their prescriptions cost Medicare Part D more than their services did: $125,535 for 1,569 claims, against $6,522 paid for services in 2024. Boston Scientific Corporation reported $17.72 in payments in 2025, mostly food and beverage. Lists Chickasaw Nation Medical Center as a hospital affiliation.
Overview
| NPI | 1730530932 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CNP |
| Sole proprietor | No |
| NPI issued | Jun 29, 2016 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 94202 | 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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 60 |
|---|---|
| Services billed | 152 across 13 procedure codes |
| Paid by Medicare | $6,522 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,569 · 1,613 30-day fills |
|---|---|
| Patients | 73 |
| Total drug cost | $125,535 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Chickasaw Nation Division of Health Chickasaw Nation Medical CenterAda, OK · 240 clinicians
Hospital affiliation
Industry payments (Open Payments)
- 2025$17.72 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $17.72 | 1 |
What the 2025 payments were for
- Food and Beverage$17.72 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Nurse Practitioner providers in Tishomingo
- 1184028540
- 1114463981