NPPES file of Aug 9, 2026

Wilfredo Martinez, P.A.

Physician Assistant · Riverside, CA

Wilfredo Martinez, P.A. is a physician assistant with a practice address in Riverside, California, and NPI 1033255922, issued on Jan 29, 2007. Check the license (California PA13532, 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
1033255922
Name
Wilfredo Martinez
Credential
P.A.
Primary taxonomy
Physician Assistant 363A00000X
License number
PA13532 CA
Self-reported in NPPES; status is on the state search
Practice location
5430 Arlington Ave, Riverside, CA 92504
Phone
(951) 689-2955
Enumerated
Jan 29, 2007
Record last updated
Aug 12, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(951) 689-2477
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 5430 Arlington Ave

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

  1. Michael Estrada, PAPhysician Assistant1275517617
  2. James Maciel, MD, MPHSurgery Physician1225412521

Verify Wilfredo Martinez 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 PA13532
    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

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6.7 times the Medicare Part D claims of the average physician assistant in 2024

5,569 Medicare Part D claims for 227 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Wilfredo Martinez5,569
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium534 claims
  2. Amlodipine Besylate320 claims
  3. Metformin Hcl303 claims
  4. Lisinopril295 claims
  5. Hydrochlorothiazide277 claims
  6. Ibuprofen227 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.

Industry payments in 2024: $489.05

14 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Wilfredo Martinez$489.05
  2. Specialty average$841.65

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

Wilfredo Martinez among 14,451 physician assistant records in California

Wilfredo Martinez, P.A. 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 2007, is newer than 13% of them.

  • NPI issued2007 · 13% of these records are older, 78% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • Record last updated2008 · 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).

164 physician assistant records list a practice address in Riverside

They are 164 of the 13,893 NPPES records with a practice address in Riverside, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Mitra Ansari, PA-CRiverside, CA 925041396999777
  2. Sandra Campos, PARiverside, CA 925041770834780
  3. Kathleen Deponte, PARiverside, CA 925041205478450
  4. Paul Dewaard, P.A.Riverside, CA 925041326051533
  5. Michael Estrada, PARiverside, CA 925041275517617
  6. Cassidy Hoogeveen, PA-CRiverside, CA 925041609590959
  7. Heather Jordan, PA-CRiverside, CA 925041861100950
  8. Jocelyn Le, PA-CRiverside, CA 925041447925029

Common questions

What is Wilfredo Martinez, P.A.'s NPI number?

Wilfredo Martinez, P.A.'s National Provider Identifier (NPI) is 1033255922, issued on Jan 29, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Wilfredo Martinez, P.A. located?

The NPPES record lists a practice address at 5430 Arlington Ave, Riverside, CA, 92504. Phone: (951) 689-2955. Providers update this record themselves, so call before visiting.

How can I verify Wilfredo Martinez, P.A.'s license?

NPPES lists California license number PA13532, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Wilfredo Martinez, P.A. prescribe under Medicare Part D?

In 2024, Wilfredo Martinez, P.A. had 5,569 Medicare Part D claims for 227 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.