NPPES file of Aug 9, 2026

Karen C. Wen, AUD

Audiologist · Bellflower, CA

Karen C. Wen, AUD is an audiologist with a practice address in Bellflower, California, and NPI 1780751529, issued on Nov 29, 2006. Check the license (California AU1937, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1780751529
Name
Karen C. Wen
Credential
AUD
Primary taxonomy
Audiologist 231H00000X
License number
AU1937 CA
Self-reported in NPPES; status is on the state search
Practice location
9400 Rosecrans Ave, Bellflower, CA 90706
Phone
(562) 461-3000
Enumerated
Nov 29, 2006
Record last updated
Nov 22, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20080122000298); 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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8 nearest audiologist records → All 1,561 in California → Look up another NPI →

Also registered at 9400 Rosecrans Ave

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

  1. Basil Abdelkarim, MDInternal Medicine Physician1003968454
  2. Le Marie Abellon, NPNurse Practitioner1144389867
  3. Adrian Acevedo, MDEmergency Medicine Physician1407923303
  4. Pravin Acharya, MDEmergency Medicine Physician1104993088
  5. Michele Afshar, PAPhysician Assistant1013065952
  6. Maria Agbing-Mamangun, MDPsychiatry Physician1063589984

Verify Karen C. Wen 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 AU1937    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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Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupBellflower, CA

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

Karen C. Wen among 1,561 audiologist records in California

Karen C. Wen, AUD 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. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 78% newer
  • In a Medicare fileYes · 23% of these records are
  • In the CMS Doctors and Clinicians fileYes · 28% of these records are
  • Graduated1991 · median 2014 among the 433 with a school on file
  • Record last updated2021 · 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.

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

The 8 audiologist records with the nearest ZIP codes

  1. Rosalia AielloBellflower, CA 907061184656670
  2. Debra Brockway, M.A., CCC-ABellflower, CA 907061336177559
  3. Robert Grisham, AUDBellflower, CA 907061942358882
  4. Allan Schneider, AUDBellflower, CA 907061417024266
  5. Eddie Guzman, AUDCerritos, CA 907031316662091
  6. Lanchi Kim, M.S.Cerritos, CA 907031629006234
  7. Margaret Liu, AU.D.Cerritos, CA 907031154607448
  8. Jazmin MiramontesCerritos, CA 907031083531701

Common questions

What is Karen C. Wen, AUD's NPI number?

Karen C. Wen, AUD's National Provider Identifier (NPI) is 1780751529, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karen C. Wen, AUD located?

The NPPES record lists a practice address at 9400 Rosecrans Ave, Bellflower, CA, 90706. Phone: (562) 461-3000. Providers update this record themselves, so call before visiting.

How can I verify Karen C. Wen, AUD's license?

NPPES lists California license number AU1937, 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. 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.