Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Joshua Levi Mayfield, PA-C

Individual provider Physician Assistant · NPI 1144475559

Joshua Levi Mayfield, PA-C is a Physician Assistant in Pomeroy, Washington. Qualified in 2008, 18 years ago. Practices with Public Hospital District No 3 of Whitman County, a 19-clinician group and works from 2 locations. Licensed in Washington.

Years since qualifying
18
Licensed in
WA
In the registry since
2008
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

66 N 6th St
Pomeroy, WA 99347-9705
Phone: (509) 843-1591
Fax: (509) 843-6157
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 411 Fortuyn Rd, Grand Coulee, WA 99133-8718 — (509) 633-1753

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence PA60055375 (WA)

Record details

NPI number1144475559
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorNo
NPI enumeratedNovember 26, 2008
Last updated in NPPESJune 9, 2025
Certification dateJune 9, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Public Hospital District No 3 Of Whitman County — 19 clinicians
Accepts Medicare assignment Not indicated
Practice locations10 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients44
Services billed 86 a service is one billed item, such as a visit, a test or a procedure
Average patient age72

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Also affiliated with 1 nursing home, which CMS identifies by certification number only.

Colleagues at Public Hospital District No 3 of Whitman County

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 19 clinicians in the practice; 12 are shown here.