NPPES file of Aug 9, 2026

Tina L. Chan, AU.D.

Audiologist · Northridge, CA

Tina L. Chan, AU.D. is an audiologist with a practice address in Northridge, California, and NPI 1639547490, issued on Sep 10, 2015. Check the license (California 3067, 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
1639547490
Name
Tina L. Chan
Credential
AU.D.
Primary taxonomy
Audiologist 231H00000X
License number
3067 CA
Self-reported in NPPES; status is on the state search
Practice location
19520 Nordhoff St Ste 5, Northridge, CA 91324
Phone
(818) 734-9124
Enumerated
Sep 10, 2015
Record last updated
Aug 6, 2026
Medicare enrollment
Enrolled (PECOS I20160321000777); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 19520 Nordhoff St Ste 5

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

  1. Ana Carmona, HADHearing Instrument Specialist1295225910
  2. Marianna Engibarian, M.S., CCC-AAudiologist1285672881
  3. Nahid Khajeh-Taheri, H.A.Hearing Instrument Specialist1396260170
  4. Maria Martinez, HADHearing Instrument Specialist1811570997

Verify Tina L. Chan 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 3067    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. Serendipity Hearing IncEncino, CA

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

Tina L. Chan among 1,561 audiologist records in California

Tina L. Chan, AU.D. 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 2015, is newer than 57% of them.

  • NPI issued2015 · 57% of these records are older, 40% newer
  • In a Medicare fileYes · 23% of these records are
  • In the CMS Doctors and Clinicians fileYes · 28% of these records are
  • Graduated2015 · median 2014 among the 433 with a school on file
  • Record last updated2026 · 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 Northridge → Audiologist nationwide →

The 8 audiologist records with the nearest ZIP codes

  1. Marianna Engibarian, M.S., CCC-ANorthridge, CA 913241285672881
  2. Angelica O'Boyle, AU.D.Northridge, CA 913251740412741
  3. Unique Venero, AU.D.Northridge, CA 913251710812326
  4. Mingshuang LiNorthridge, CA 913301033990254
  5. Martine Parekh, AU.D FAAA, CCC-ANorthridge, CA 913301003009556
  6. Yugandhar Ramakrishna, AU.D., PH.D., CCC-ANorthridge, CA 913301568012672
  7. Karen Spayd, M.A.Northridge, CA 913301780718734
  8. Shahrzad Cohen, M.S.Encino, CA 913161962750695

Common questions

What is Tina L. Chan, AU.D.'s NPI number?

Tina L. Chan, AU.D.'s National Provider Identifier (NPI) is 1639547490, issued on Sep 10, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Tina L. Chan, AU.D. located?

The NPPES record lists a practice address at 19520 Nordhoff St Ste 5, Northridge, CA, 91324. Phone: (818) 734-9124. Providers update this record themselves, so call before visiting.

How can I verify Tina L. Chan, AU.D.'s license?

NPPES lists California license number 3067, 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.