Karen A. Kirwan, FNP-C
NPI 1588668933ActiveIndividual· Nurse Practitioner, Family· Forest Grove, OR
Nurse Practitioner, Family (FNP-C) with Timothy J Gray DO LLC, practicing in Forest Grove, Oregon. Their prescriptions cost Medicare Part D more than their services did: $615,955 for 7,432 claims, against $16,143 paid for services in 2024. Novo Nordisk Inc was the largest of 12 companies reporting payments in 2025, $369.08 in all, mostly food and beverage. Lists Hillsboro Medical Center as a hospital affiliation.
Overview
| NPI | 1588668933 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-C |
| Sole proprietor | No |
| NPI issued | Jun 13, 2005 |
| Last updated in NPPES | Jul 12, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 091006149N1 | OR |
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 (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 142 |
|---|---|
| Services billed | 498 across 31 procedure codes |
| Paid by Medicare | $16,143 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,432 · 17,197 30-day fills |
|---|---|
| Patients | 577 |
| Total drug cost | $615,955 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1989 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Timothy J Gray DO LLCForest Grove, OR · 11 clinicians
Hospital affiliation
- Hillsboro Medical CenterHillsboro, OR
Other facilities
- Amedisys Home Health CareHome health agency · Portland, OR
Industry payments (Open Payments)
- 2025$369.08 · 20 payments from 12 companies
- 2024$125.02 · 7 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $71.75 | 4 |
| Glaxosmithkline, LLC. | $59.81 | 3 |
| Astrazeneca Pharmaceuticals LP | $54.98 | 3 |
| Corcept Therapeutics | $40.22 | 2 |
| Abbvie Inc. | $26.26 | 1 |
What the 2025 payments were for
- Food and Beverage$369.08 · 20 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other family nurse practitioners in Forest Grove
- 1649987413
- 1043157985
- 1215053277
- 1437537669
- 1124188198