NPPES file of Aug 9, 2026

Plummer Leon Wax, PA-C

Surgical Physician Assistant · La Mesa, CA

Plummer Leon Wax, PA-C is a surgical physician assistant with a practice address in La Mesa, California, and NPI 1376741934, issued on Jul 5, 2007. Check the license (California PA15657, as entered in NPPES) with the California 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
1376741934
Name
Plummer Leon Wax
Credential
PA-C
Primary taxonomy
Surgical Physician Assistant 363AS0400X
License number
PA15657 CA
Self-reported in NPPES; status is on the state search
Practice location
5525 Grossmont Center Dr, La Mesa, CA 91942
Phone
(858) 499-2600
Enumerated
Jul 5, 2007
Record last updated
Aug 31, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20140210001604); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 5525 Grossmont Center Dr

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

  1. Ashkan Abedini, MDFamily Medicine Physician1013546373
  2. Cynthia Adams, PA-CMedical Physician Assistant1447564141
  3. Alicia Afrah-Boateng, PA-CPhysician Assistant1174073886
  4. Sonal Agrawal, M.D.Pediatrics Physician1881702348
  5. Mary Alexander, M.D.Internal Medicine Physician1538177845
  6. James Amberg, MDFamily Medicine Physician1265497093

Verify Plummer Leon Wax in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PA15657
    Check 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 California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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90% fewer Medicare Part D claims than the average surgical physician assistant in 2024

29 Medicare Part D claims for 18 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Plummer Wax29
  2. Specialty average304

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.

Industry payments in 2024: $186.41

3 payments; by number, the most common kind was food and beverage; the largest payer was Bioventus LLC. The 7,578 providers of this specialty with any payment received $703.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Plummer Wax$186.41
  2. Specialty average$703.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Sharp Rees-Stealy Medical Group IncSan Diego, CA

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

Plummer Leon Wax among 1,075 surgical physician assistant records in California

Plummer Leon Wax, PA-C is one of 1,075 surgical physician assistant records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 26% of them.

  • NPI issued2007 · 26% of these records are older, 59% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2000 · median 2012 among the 649 with a school on file
  • Record last updated2015 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgical Physician Assistant providers in California

There are 1,075 surgical physician assistant records in California.

The 8 surgical physician assistant records with the nearest ZIP codes

  1. Carrie Musicant, PALa Mesa, CA 919421891753786
  2. Rileigh Norman, PA-CLa Mesa, CA 919421750178273
  3. Jasveen Dhillon, MS, PA-CLa Mesa, CA 919411073713673
  4. Laci Helmhout, PA-CLa Mesa, CA 919411417372350
  5. Kimberly Kreifeldt, PALa Mesa, CA 919411154348829
  6. Regina Kuhl, P.A.La Mesa, CA 919411407984321
  7. Gary MeyerLa Mesa, CA 919411558387886
  8. Xavier Valdez, MPAS, PA-CLa Mesa, CA 919411164404034

Common questions

What is Plummer Leon Wax, PA-C's NPI number?

Plummer Leon Wax, PA-C's National Provider Identifier (NPI) is 1376741934, issued on Jul 5, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Plummer Leon Wax, PA-C located?

The NPPES record lists a practice address at 5525 Grossmont Center Dr, La Mesa, CA, 91942. Phone: (858) 499-2600. Providers update this record themselves, so call before visiting.

How can I verify Plummer Leon Wax, PA-C's license?

NPPES lists California license number PA15657, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Plummer Leon Wax, PA-C prescribe under Medicare Part D?

In 2024, Plummer Leon Wax, PA-C had 29 Medicare Part D claims for 18 beneficiaries; the average among surgical physician assistant prescribers was 304. 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.