NPPES file of Aug 9, 2026

James Mayes

Physician Assistant · Tacoma, WA

James Mayes is a physician assistant with a practice address in Tacoma, Washington, and NPI 1588334882, issued on Sep 17, 2021. Check the license with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1588334882
Name
James Mayes
Primary taxonomy
Physician Assistant 363A00000X
Practice location
315 Martin Luther King JR Way, Tacoma, WA 98405
Phone
(253) 403-1000
Enumerated
Sep 17, 2021
Record last updated
May 18, 2025
Fax
(253) 403-1180
Medicare enrollment
Enrolled (PECOS I20221019002561); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 315 Martin Luther King JR Way

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Neilan John Acaso, PHD, APRN, FNP-CCritical Care Medicine Registered Nurse1851266654
  2. Ammara AftabInternal Medicine Physician1447038823
  3. Hamza Aftab, MDInternal Medicine Physician1689294175
  4. Majeed Al-Mateen, MDPediatrics Physician1134144157
  5. Mario Alinea, MDFamily Medicine Physician1093810459
  6. Bethany Allen, CCCAudiologist1629195144

Verify James Mayes in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Washington license search

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34% fewer Medicare Part D claims than the average physician assistant in 2024

550 Medicare Part D claims for 390 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. James Mayes550
  2. Specialty average830

Most prescribed

  1. Prednisone46 claims
  2. Nitrofurantoin Mono-Macro44 claims
  3. Cephalexin40 claims
  4. Amoxicillin-Clavulanate Potass38 claims
  5. Albuterol Sulfate Hfa33 claims
  6. Azithromycin26 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 one group practice

  1. Multicare Health SystemKent, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

James Mayes among 3,718 physician assistant records in Washington

James Mayes is one of 3,718 physician assistant records with a practice address in Washington. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 77% of them.

  • NPI issued2021 · 77% of these records are older, 17% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2022 · median 2017 among the 2,460 with a school on file
  • Record last updated2025 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

324 physician assistant records list a practice address in Tacoma

They are 324 of the 13,715 NPPES records with a practice address in Tacoma, and 3,718 physician assistant records in Washington.

The 8 physician assistant records with the nearest ZIP codes

  1. Sharon Barker, PA-CTacoma, WA 984051447223110
  2. Theodore Barr, PA-CTacoma, WA 984051689618613
  3. Crystal Chung, PA CTacoma, WA 984051316924855
  4. Carol Fromhart, PA CTacoma, WA 984051063490282
  5. Alison Gilbert, PA-CTacoma, WA 984051134168875
  6. Catherine Hartjoy, PACTacoma, WA 984051275520066
  7. Cora Krouse, PA-CTacoma, WA 984051891768560
  8. Kimberly Larson, PACTacoma, WA 984051215903752

Common questions

What is James Mayes's NPI number?

James Mayes's National Provider Identifier (NPI) is 1588334882, issued on Sep 17, 2021. An NPI identifies a provider in billing; it is not a license.

Where is James Mayes located?

The NPPES record lists a practice address at 315 Martin Luther King JR Way, Tacoma, WA, 98405. Phone: (253) 403-1000. Providers update this record themselves, so call before visiting.

How can I verify James Mayes's license?

Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does James Mayes prescribe under Medicare Part D?

In 2024, James Mayes had 550 Medicare Part D claims for 390 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.