JOSHUA LEVI MAYFIELD (PA-C) – Physician Assistant, NPI 1144475559
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,282 PHYSICIAN ASSISTANT in WA
Provider Addresses for JOSHUA LEVI MAYFIELD (PA-C)
411 Fortuyn Rd
Grand Coulee, WA 991338718
Phone: (509) 633-1753
Type: Location
Garfield County Public Hospital, 66, North 6th Street, Pomeroy, Garfield County, Washington, 99347, United States
POMEROY, WA 993479705
Phone: (509) 843-1591
Fax: (509) 843-6157
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2009-01-30
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20090130000588 | I | Physician Assistant | WA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99285 | Emergency department visit with high level of medical decision making | 13 | 13 | $0 |
Insurance plans in this area (ZIP 99133)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | TX | |
| Family Practice | WA | |
| Internal Medicine, Nephrology, Internal Medicine, Nephrology | AR | |
| Nurse Practitioner | WA | |
| Internal Medicine, Nephrology | WA | |
| Family Practice | WA | |
| Infectious Disease, Internal Medicine | WA | |
| Nurse Practitioner | ID |
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