NPPES file of Aug 9, 2026

Ingyu Chun, PH.D., AU.D.

Audiologist · Mountain View, CA

Ingyu Chun, PH.D., AU.D. is an audiologist with a practice address in Mountain View, California, and NPI 1558734277, issued on Nov 3, 2015. Check the license (California AU3022, 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
1558734277
Name
Ingyu Chun
Credential
PH.D., AU.D.
Primary taxonomy
Audiologist 231H00000X
License number
AU3022 CA
Self-reported in NPPES; status is on the state search
Practice location
701 E EL Camino Real, Mountain View, CA 94040
Phone
(650) 934-7900
Enumerated
Nov 3, 2015
Record last updated
May 18, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20160429001392); 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 701 E EL Camino Real

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

  1. Aya Abou-Nasr, MDAnesthesiology Physician1982191672
  2. Jaimie Abraham, AGPCNP-BCFamily Nurse Practitioner1245757699
  3. Brooke Abrantes, PA-CSurgical Physician Assistant1316771298
  4. Faud Abuabara, M.D.MOHS-Micrographic Surgery Physician1164472890
  5. Felix Adler, M.D.Diagnostic Radiology Physician1801069729
  6. Olga Afanasiev, MD, PHDDermatology Physician1669869384

Verify Ingyu Chun 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 AU3022    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. Sutter Bay Medical FoundationLos Altos, CA

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

Ingyu Chun among 1,561 audiologist records in California

Ingyu Chun, PH.D., 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
  • Graduated2014 · median 2014 among the 433 with a school on file
  • Record last updated2018 · 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 Mountain View → Audiologist nationwide →

The 8 audiologist records with the nearest ZIP codes

  1. Sally Allen, AU.D.Mountain View, CA 940401104946607
  2. Cynthia AtchoukeuMountain View, CA 940401821585415
  3. Minyu Cheng, AU.D.Mountain View, CA 940401235413956
  4. Shehla Godbole, AU.D.Mountain View, CA 940401760807705
  5. Meredith Kondo, AUDMountain View, CA 940401154497204
  6. Haifa Rammaha, AUDMountain View, CA 940401033251814
  7. Akhilandeshwari Sivaswami, AU.D.Mountain View, CA 940401730797143
  8. Houchin Tang, AUDMountain View, CA 940401912073099

Common questions

What is Ingyu Chun, PH.D., AU.D.'s NPI number?

Ingyu Chun, PH.D., AU.D.'s National Provider Identifier (NPI) is 1558734277, issued on Nov 3, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Ingyu Chun, PH.D., AU.D. located?

The NPPES record lists a practice address at 701 E EL Camino Real, Mountain View, CA, 94040. Phone: (650) 934-7900. Providers update this record themselves, so call before visiting.

How can I verify Ingyu Chun, PH.D., AU.D.'s license?

NPPES lists California license number AU3022, 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.