NPPES file of Aug 9, 2026

Mario Alfredo Martinez Chavez

Nurse Practitioner · Los Angeles, CA

Mario Alfredo Martinez Chavez is a nurse practitioner with a practice address in Los Angeles, California, and NPI 1326456120, issued on Jul 25, 2014. Check the license (California 95000992, 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
1326456120
Name
Mario Alfredo Martinez Chavez
Primary taxonomy
Nurse Practitioner 363L00000X
License number
95000992 CA
Self-reported in NPPES; status is on the state search
Practice location
1225 Wilshire Blvd, Los Angeles, CA 90017
Phone
(213) 977-2423
Enumerated
Jul 25, 2014
Record last updated
Jul 25, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20141107001606); 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 1225 Wilshire Blvd

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

  1. Hanan Abdelfattah, PAPhysician Assistant1699230953
  2. Mari Abdulian, PA-CPhysician Assistant1629307947
  3. Nicholas Abraham, M.D.Emergency Medicine Physician1770984098
  4. Tiffany Abramson, MDEmergency Medicine Physician1154793586
  5. Nicole Adams, FNPFamily Nurse Practitioner1730889270
  6. Gabrielle Ahlzadeh, MDEmergency Medicine Physician1225427172

Verify Mario Alfredo Martinez Chavez 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 95000992
    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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80% fewer Medicare Part D claims than the average nurse practitioner in 2024

224 Medicare Part D claims for 112 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 12 claims were for opioids.

  1. Mario Alfredo Chavez224
  2. Specialty average1,109

Most prescribed

  1. Ibuprofen30 claims
  2. Methocarbamol26 claims
  3. Cephalexin16 claims
  4. Naproxen16 claims
  5. Pantoprazole Sodium16 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 2 group practices

  1. Can Emergency Physicians Medical Group IncLos Angeles, CA
  2. Glendale Adventist Emergency Physicians IncorporatedGlendale, CA

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

Mario Alfredo Martinez Chavez among 8,223 nurse practitioner records in California

Mario Alfredo Martinez Chavez is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 42% of them.

  • NPI issued2014 · 42% of these records are older, 55% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 42% of these records are
  • Graduated2014 · median 2017 among the 3,425 with a school on file
  • Record last updated2014 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in California

There are 8,223 nurse practitioner records in California.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Tizita Amde-Michael, CPNPLos Angeles, CA 900171578731147
  2. Maria Barcelo, NPLos Angeles, CA 900171760103493
  3. Emily Caldwell, N.P.Los Angeles, CA 900171487619763
  4. Andrea Ennis, RN, NPLos Angeles, CA 900171437394368
  5. Stephanie Herrera, NPLos Angeles, CA 900171821562356
  6. Paul Lee, MSN, FNP-CLos Angeles, CA 900171972384840
  7. Patricia Lopez, RNPLos Angeles, CA 900171720174659
  8. Carmina-Lou PaezLos Angeles, CA 900171730570243

Common questions

What is Mario Alfredo Martinez Chavez's NPI number?

Mario Alfredo Martinez Chavez's National Provider Identifier (NPI) is 1326456120, issued on Jul 25, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Mario Alfredo Martinez Chavez located?

The NPPES record lists a practice address at 1225 Wilshire Blvd, Los Angeles, CA, 90017. Phone: (213) 977-2423. Providers update this record themselves, so call before visiting.

How can I verify Mario Alfredo Martinez Chavez's license?

NPPES lists California license number 95000992, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Mario Alfredo Martinez Chavez prescribe under Medicare Part D?

In 2024, Mario Alfredo Martinez Chavez had 224 Medicare Part D claims for 112 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.