NPPES file of Aug 9, 2026

Wendy B. Mazursky, PA-C, MS

Physician Assistant · Hercules, CA

Wendy B. Mazursky, PA-C, MS is a physician assistant with a practice address in Hercules, California, and NPI 1255425583, issued on Oct 3, 2006. Check the license (California 19144, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255425583
Name
Wendy B. Mazursky
Credential
PA-C, MS
Primary taxonomy
Physician Assistant 363A00000X
License numbers
19144 CA
1953 CO
Self-reported in NPPES; status is on the state search
Practice location
500 Alfred Nobel Dr, Hercules, CA 94547
Phone
(510) 741-7418
Enumerated
Oct 3, 2006
Record last updated
Aug 23, 2013 (not updated in 13 years: call before relying on the address or phone)
Medicaid ID
17638739 CO
Medicare enrollment
Enrolled (PECOS I20150529001903); 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 500 Alfred Nobel Dr

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

  1. Mahzabina AkramBehavior Technician1033990742
  2. Sendi AlatorreBehavior Technician1891503959
  3. Antonella AvantoBehavior Technician1841976677
  4. Rodolfo Cadang, M.D.Internal Medicine Physician1508898990
  5. Glency Calderon LaraBehavior Technician1154131134
  6. Yee ChenAcupuncturist1235257197

Verify Wendy B. Mazursky 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 19144
    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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73% fewer Medicare Part D claims than the average physician assistant in 2024

224 Medicare Part D claims for 131 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Wendy Mazursky224
  2. Specialty average830

Most prescribed

  1. Ketoconazole45 claims
  2. Triamcinolone Acetonide35 claims
  3. Clobetasol Propionate26 claims
  4. Mupirocin14 claims
  5. Fluocinonide11 claims
  6. Fluorouracil11 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Berman Skin Institute Medical Group IncCameron Park, CA
  2. West Oak Dermatology IncRoseville, CA

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

Wendy B. Mazursky among 14,451 physician assistant records in California

Wendy B. Mazursky, PA-C, MS is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.

  • NPI issued2006 · 1% of these records are older, 87% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2004 · median 2018 among the 7,214 with a school on file
  • Record last updated2013 · 40% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

5 physician assistant records list a practice address in Hercules

They are 5 of the 277 NPPES records with a practice address in Hercules, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Sheena Mae Aguilar, PA-CHercules, CA 945471659141430
  2. Amy ChoyHercules, CA 945471063822187
  3. Oksana Peters, PAHercules, CA 945471124143227
  4. Bogdan RisticHercules, CA 945471609463538
  5. Albert Ahoy, PA-CCastro Valley, CA 945461356878136
  6. Ahlam Algazzali, PHYSICIAN ASSISTANTCastro Valley, CA 945461083210017
  7. Corina Clark, P.A.Castro Valley, CA 945461720480049
  8. Cherie Clark, PA-CCastro Valley, CA 945461780992560

Common questions

What is Wendy B. Mazursky, PA-C, MS's NPI number?

Wendy B. Mazursky, PA-C, MS's National Provider Identifier (NPI) is 1255425583, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Wendy B. Mazursky, PA-C, MS located?

The NPPES record lists a practice address at 500 Alfred Nobel Dr, Hercules, CA, 94547. Phone: (510) 741-7418. Providers update this record themselves, so call before visiting.

How can I verify Wendy B. Mazursky, PA-C, MS's license?

NPPES lists California license number 19144, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Wendy B. Mazursky, PA-C, MS prescribe under Medicare Part D?

In 2024, Wendy B. Mazursky, PA-C, MS had 224 Medicare Part D claims for 131 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Wendy B. Mazursky, PA-C, MS's MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.