Katherine Ewing, PA-C
NPI 1477969319ActiveIndividual· Physician Assistant· Everett, WA
Physician Assistant (PA-C) with Optum Care Washington PLLC and 1 other group, practicing in Everett, Washington. Their prescriptions cost Medicare Part D more than their services did: $8,491 for 125 claims, against $3,187 paid for services in 2024.
Overview
| NPI | 1477969319 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jul 10, 2014 |
| Last updated in NPPES | Sep 20, 2025 |
| Certified by provider | Sep 20, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA60909642 | WA |
| Physician Assistant | 363A00000X | — | OR |
| Physician Assistant, Medical | 363AM0700X | 5601007039 | MI |
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 - Physician Assistant (MI); Practitioner - Physician Assistant (OR); Practitioner - Physician Assistant (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 54 |
|---|---|
| Services billed | 64 across 12 procedure codes |
| Paid by Medicare | $3,187 |
Part D prescriptions in 2024
| Prescriptions (claims) | 125 · 125 30-day fills |
|---|---|
| Patients | 114 |
| Total drug cost | $8,491 |
| Generic share | 38% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical groups
- Optum Care Washington PLLCEverett, WA · 683 clinicians
- Oregon Healthcare Resources LLCSpringfield, OR · 159 clinicians
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 146 physician assistants in Everett · All physician assistants in Washington