Karsi J. Grego, ARNP, RN
NPI 1699428326ActiveIndividual· Nurse Practitioner· Port Angeles, WA
Nurse Practitioner (ARNP, RN) with Olympic Medical Physicians, practicing in Port Angeles, Washington. Their prescriptions cost Medicare Part D more than their services did: $347,435 for 4,228 claims, against $42,365 paid for services in 2024. Lists Olympic Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1699428326 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ARNP, RN |
| Sole proprietor | No |
| NPI issued | Feb 2, 2022 |
| Last updated in NPPES | Feb 2, 2022 |
| Certified by provider | Feb 2, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | AP61225701 | WA |
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 (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 320 |
|---|---|
| Services billed | 1,163 across 32 procedure codes |
| Paid by Medicare | $42,365 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,228 · 9,276 30-day fills |
|---|---|
| Patients | 332 |
| Total drug cost | $347,435 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Olympic Medical PhysiciansPort Angeles, WA · 110 clinicians
Hospital affiliations
- Olympic Medical CenterPort Angeles, WA
- St Michael Medical CenterSilverdale, WA
Other facilities
- Olympic Medical Home HealthHome health agency · Port Angeles, WA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 22 nurse practitioners in Port Angeles · All nurse practitioners in Washington