Joshua Levi Mayfield, PA-C
Physician Assistant · Pomeroy, WA
Joshua Levi Mayfield, PA-C is a physician assistant with a practice address in Pomeroy, Washington, and NPI 1144475559, issued on Nov 26, 2008. Check the license (Washington PA60055375, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joshua Levi Mayfield
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA60055375 WA
Self-reported in NPPES; status is on the state search - Practice location
- 66 N 6TH St, Pomeroy, WA 99347
- Phone
- (509) 843-1591
- Enumerated
- Nov 26, 2008
- Record last updated
- Jun 9, 2025
- Fax
- (509) 843-6157
- Medicare enrollment
- Enrolled (PECOS I20090130000588); may accept Medicare assignment
- Entity
- Type 1 · individual
Also registered at 66 N 6TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Suzanne Grove, ARNPFamily Nurse Practitioner1124127071
- Brian Mabry, BRIAN MABRYMedical Physician Assistant1427300052
- Brianna ShrofeNurse's Aide1457200933
- Mathew Slaybaugh, DPTPhysical Therapist1336628791
- Janis Whitehead, RN, FNPPrimary Care Nurse Practitioner1316930795
Verify Joshua Levi Mayfield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PA60055375Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average physician assistant in 2024
527 Medicare Part D claims for 128 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 69 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen36 claims
- Potassium Chloride36 claims
- Omeprazole25 claims
- Oxybutynin Chloride Er21 claims
- Gabapentin17 claims
- Metoprolol Succinate17 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 5 group practices
- Douglas, Grant, Lincoln And Okanogan Counties Public Hospital DistrictGrand Coulee, WA
- Garfield County Memorial Hospital DistrictPomeroy, WA
- Public Hospital District NO 3 OF Whitman CountyColfax, WA
- Sound Physicians Emergency Medicine OF Washington PLLCKennewick, WA
- Spokane Emergency Care Physicians PLLCSpokane Valley, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
1 physician assistant records list a practice address in Pomeroy
They are 1 of the 20 NPPES records with a practice address in Pomeroy, and 3,718 physician assistant records in Washington.
Other physician assistant records in Washington
- Eric Abarr, PA-CMarysville, WA1598655292
- Ahmed Abdelshafy, PA-CCheney, WA1457029795
- Sihaam AbdiShoreline, WA1801758289
- Nicole Abdullah, PAWenatchee, WA1285032268
- Kimberly Abella-Cree, PA-CYakima, WA1548514292
- Buddhika AbeyratneOak Harbor, WA1104369560
- Danielle Abrass, PA-CSeattle, WA1184140717
- Abraham Abu, PA-CSeattle, WA1710036587
- Alvin AbuegEverett, WA1396132015
- Aaron Adam, PA-CVancouver, WA1447543459
Common questions
What is Joshua Levi Mayfield, PA-C's NPI number?
Joshua Levi Mayfield, PA-C's National Provider Identifier (NPI) is 1144475559, issued on Nov 26, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Joshua Levi Mayfield, PA-C located?
The NPPES record lists a practice address at 66 N 6TH St, Pomeroy, WA, 99347. Phone: (509) 843-1591. Providers update this record themselves, so call before visiting.
How can I verify Joshua Levi Mayfield, PA-C's license?
NPPES lists Washington license number PA60055375, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Joshua Levi Mayfield, PA-C prescribe under Medicare Part D?
In 2024, Joshua Levi Mayfield, PA-C had 527 Medicare Part D claims for 128 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.