Joshua Levi Mayfield, PA-C
NPI 1144475559ActiveIndividual· Physician Assistant· Pomeroy, WA
Physician Assistant (PA-C) with Spokane Emergency Care Physicians PLLC and 4 other groups, practicing in Pomeroy, Washington. Their prescriptions cost Medicare Part D more than their services did: $20,518 for 527 claims, against $4,819 paid for services in 2024. Lists Coulee Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1144475559 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Nov 26, 2008 |
| Last updated in NPPES | Jun 9, 2025 |
| Certified by provider | Jun 9, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA60055375 | 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 - Physician Assistant (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 44 |
|---|---|
| Services billed | 86 across 14 procedure codes |
| Paid by Medicare | $4,819 |
Part D prescriptions in 2024
| Prescriptions (claims) | 527 · 554 30-day fills |
|---|---|
| Patients | 128 |
| Total drug cost | $20,518 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Spokane Emergency Care Physicians PLLCSpokane Valley, WA · 69 clinicians
- Douglas, Grant, Lincoln and Okanogan Counties Public Hospital DistrictGrand Coulee, WA · 39 clinicians
- Public Hospital District No 3 of Whitman CountyColfax, WA · 23 clinicians
- Sound Physicians Emergency Medicine of Washington PLLCKennewick, WA · 21 clinicians
- Garfield County Memorial Hospital DistrictPomeroy, WA · 9 clinicians
Hospital affiliations
- Coulee Medical CenterGrand Coulee, WA
- Garfield County Public Hospital District #1Pomeroy, WA
- St Joseph Regional Medical CenterLewiston, ID
- Trios HealthKennewick, WA
- Whitman Hospital and Medical CenterColfax, WA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records