NPPES file of Aug 9, 2026

Abraham Lopez Chavez, PA

Medical Physician Assistant · Vallejo, CA

Abraham Lopez Chavez, PA is a medical physician assistant with a practice address in Vallejo, California, and NPI 1043885361, issued on May 20, 2021. Check the license 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
1043885361
Name
Abraham Lopez Chavez
Credential
PA
Primary taxonomy
Medical Physician Assistant 363AM0700X
Practice location
1310 Club Dr, Vallejo, CA 94592
Phone
(707) 638-5809
Enumerated
May 20, 2021
Record last updated
May 20, 2021 (not updated in 5 years: call before relying on the address or phone)
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 1310 Club Dr

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

  1. Ovanes AbramyanStudent in an Organized Health Care Education/Training Program1396495594
  2. Claudia AguirrePhysician Assistant1134991516
  3. Jasmine AhdoutPhysician Assistant1619704632
  4. Sofia AhmadzaiPhysician Assistant1295552214
  5. Veronica Alcaraz-ReyesNutrition Education Nutritionist1407703259
  6. Michelle AlderetePhysician Assistant1740855584

Verify Abraham Lopez Chavez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California 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
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92% fewer Medicare Part D claims than the average medical physician assistant in 2024

89 Medicare Part D claims for 29 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Abraham Lopez Chavez89
  2. Specialty average1,148

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.

Abraham Lopez Chavez among 3,376 medical physician assistant records in California

Abraham Lopez Chavez, PA is one of 3,376 medical physician assistant records with a practice address in California. 69% 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 79% of them.

  • NPI issued2021 · 79% of these records are older, 18% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 40% of these records are
  • Record last updated2021 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in California

There are 3,376 medical physician assistant records in California.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Kasaundra Heiberger, PA-C, MPHVallejo, CA 945921912398025
  2. Josie Hunt, PA-C, MPHVallejo, CA 945921396093852
  3. Akshay SharmaVallejo, CA 945921528632023
  4. Mervyn Nicholas, PAVallejo, CA 945911104854728
  5. John Alexander, PA-CVallejo, CA 945901023056983
  6. Carey Cano, PA-CVallejo, CA 945901114986809
  7. Joy Moverley, MPH, PA-CVallejo, CA 945901285996611
  8. Margaret Nonato, PA-CVallejo, CA 945901013961572

Common questions

What is Abraham Lopez Chavez, PA's NPI number?

Abraham Lopez Chavez, PA's National Provider Identifier (NPI) is 1043885361, issued on May 20, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Abraham Lopez Chavez, PA located?

The NPPES record lists a practice address at 1310 Club Dr, Vallejo, CA, 94592. Phone: (707) 638-5809. Providers update this record themselves, so call before visiting.

How can I verify Abraham Lopez Chavez, PA's license?

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

How much does Abraham Lopez Chavez, PA prescribe under Medicare Part D?

In 2024, Abraham Lopez Chavez, PA had 89 Medicare Part D claims for 29 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.