NPPES file of Aug 9, 2026

Ellen Simon, M.S.

Audiologist · Pasadena, CA

Ellen Simon, M.S. is an audiologist with a practice address in Pasadena, California, and NPI 1295139228, issued on Oct 20, 2014. Check the license (California AU640, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1295139228
Name
Ellen Simon
Credential
M.S.
Primary taxonomy
Audiologist 231H00000X
License numbers
AU640 CA
SP16849 CA
Self-reported in NPPES; status is on the state search
Practice location
301 E Del Mar Blvd, Pasadena, CA 91101
Phone
(626) 796-2014
Enumerated
Oct 20, 2014
Record last updated
Dec 1, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(626) 796-2320
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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8 nearest audiologist records → All 1,561 in California → Look up another NPI →

Also registered at 301 E Del Mar Blvd

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

  1. Rebecca ArroyoAudiologist1275231102
  2. Allison Granali, AU.D.Audiologist1053741330
  3. Jazmen LopezSpeech-Language Assistant1881377539
  4. Nikki Makino, M.S., CCC-SLPSpeech-Language Pathologist1538660360
  5. Evelyn McDanielsSpeech-Language Assistant1457824757
  6. Maline MedinaSpeech-Language Assistant1174018261

Verify Ellen Simon 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 AU640    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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Ellen Simon among 1,561 audiologist records in California

Ellen Simon, M.S. is one of 1,561 audiologist records with a practice address in California. 23% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2014, is newer than 54% of them.

  • NPI issued2014 · 54% of these records are older, 43% newer
  • In a Medicare fileNo · 23% of these records are
  • In the CMS Doctors and Clinicians fileNo · 28% of these records are
  • Record last updated2014 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 231H00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Audiologist providers in California

There are 1,561 audiologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,561 in California → Every provider in Pasadena → Audiologist nationwide →

The 8 audiologist records with the nearest ZIP codes

  1. Rebecca ArroyoPasadena, CA 911011275231102
  2. Allison Granali, AU.D.Pasadena, CA 911011053741330
  3. Hilary Ruiz, AU.D.Pasadena, CA 911011407308802
  4. Natalie WalshPasadena, CA 911011518423433
  5. Lindsay Jensen, AUDPasadena, CA 911051992532576
  6. Kaylee Kimura, AUDPasadena, CA 911051508648015
  7. Christa Nickel, AUDPasadena, CA 911051356909675
  8. Robert Weissman, AU.D.Pasadena, CA 911051841293305

Common questions

What is Ellen Simon, M.S.'s NPI number?

Ellen Simon, M.S.'s National Provider Identifier (NPI) is 1295139228, issued on Oct 20, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Ellen Simon, M.S. located?

The NPPES record lists a practice address at 301 E Del Mar Blvd, Pasadena, CA, 91101. Phone: (626) 796-2014. Providers update this record themselves, so call before visiting.

How can I verify Ellen Simon, M.S.'s license?

NPPES lists California license number AU640, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.