NPPES file of Aug 9, 2026

Barbara Joy Aaronson, RN/NURSE PRACTITONER

Nurse Practitioner · Los Angeles, CA

Barbara Joy Aaronson, RN/NURSE PRACTITONER is a nurse practitioner with a practice address in Los Angeles, California, and NPI 1588988182, issued on Mar 25, 2010. Check the license (California 202829, 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
1588988182
Name
Barbara Joy Aaronson
Credential
RN/NURSE PRACTITONER
Primary taxonomy
Nurse Practitioner 363L00000X
License number
202829 CA
Self-reported in NPPES; status is on the state search
Practice location
5455 Wilshire Blvd Ste 1802, Los Angeles, CA 90036
Phone
(323) 297-0700
Enumerated
Mar 25, 2010
Record last updated
Mar 25, 2010 (not updated in 16 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.
Download card Updates feed

8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →

Verify Barbara Joy Aaronson 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 202829    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

96% fewer Medicare Part D claims than the average nurse practitioner in 2024

49 Medicare Part D claims for 44 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Barbara Aaronson49
  2. Specialty average1,109

Most prescribed

  1. Atovaquone-Proguanil Hcl39 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.

Barbara Joy Aaronson among 8,223 nurse practitioner records in California

Barbara Joy Aaronson, RN/NURSE PRACTITONER 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 2010, is newer than 32% of them.

  • NPI issued2010 · 32% of these records are older, 66% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 42% of these records are
  • Record last updated2010 · 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.

All 8,223 in California → Every provider in Los Angeles → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Caroline Belin, NP-CLos Angeles, CA 900361447769971
  2. Yiwen Chiang, NPLos Angeles, CA 900361760219034
  3. Sara De Dios, NPLos Angeles, CA 900361477211225
  4. Ann Easley, NPLos Angeles, CA 900361295720548
  5. Kieran Jones, NPLos Angeles, CA 900361417678277
  6. Eunice Lee, RN, GNPLos Angeles, CA 900361194977389
  7. Lachele Montez, NPLos Angeles, CA 900361477788529
  8. Chasya SpiraLos Angeles, CA 900361194697979

Common questions

What is Barbara Joy Aaronson, RN/NURSE PRACTITONER's NPI number?

Barbara Joy Aaronson, RN/NURSE PRACTITONER's National Provider Identifier (NPI) is 1588988182, issued on Mar 25, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Barbara Joy Aaronson, RN/NURSE PRACTITONER located?

The NPPES record lists a practice address at 5455 Wilshire Blvd Ste 1802, Los Angeles, CA, 90036. Phone: (323) 297-0700. Providers update this record themselves, so call before visiting.

How can I verify Barbara Joy Aaronson, RN/NURSE PRACTITONER's license?

NPPES lists California license number 202829, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Barbara Joy Aaronson, RN/NURSE PRACTITONER prescribe under Medicare Part D?

In 2024, Barbara Joy Aaronson, RN/NURSE PRACTITONER had 49 Medicare Part D claims for 44 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.