Kay Chun, HIS
Hearing Instrument Specialist · Fullerton, CA
Kay Chun, HIS is a hearing instrument specialist with a practice address in Fullerton, California, and NPI 1821622291, issued on Feb 25, 2020. Check the license (California HA8571, 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.
- Name
- Kay Chun
- Credential
- HIS
- Primary taxonomy
- Hearing Instrument Specialist 237700000X
- License number
- HA8571 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1020 E Bastanchury RD, Fullerton, CA 92835
- Phone
- (714) 672-9445
- Enumerated
- Feb 25, 2020
- Record last updated
- Feb 25, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (714) 672-9448
- Entity
- Type 1 · individual
8 nearest hearing instrument specialist records → All 994 in California → Look up another NPI →
Also registered at 1020 E Bastanchury RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eddie Han, HISHearing Instrument Specialist1114496403
- Ashley KoHearing Instrument Specialist1396071726
Verify Kay Chun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license HA8571Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Kay Chun among 994 hearing instrument specialist records in California
Kay Chun, HIS is one of 994 hearing instrument specialist records with a practice address in California. under 1% 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 2020, is newer than 69% of them.
- NPI issued2020 · 69% of these records are older, 27% newer
- In a Medicare fileNo · under 1% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2020 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 237700000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hearing Instrument Specialist providers in California
There are 994 hearing instrument specialist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 994 in California → Every provider in Fullerton → Hearing Instrument Specialist nationwide →
The 8 hearing instrument specialist records with the nearest ZIP codes
- Sophia BahariFullerton, CA 928351992592554
- Kay Bui, HADFullerton, CA 928351871844688
- Monica FernandezFullerton, CA 928351376691980
- Eddie Han, HISFullerton, CA 928351114496403
- Jennifer Kim, HEARING INSTRUMENT SFullerton, CA 928351396970174
- Kelvin Kim, HEARING INSTRUMENT SFullerton, CA 928351992930697
- Ashley KoFullerton, CA 928351396071726
- Evelynn MartinezFullerton, CA 928351548977580
Common questions
What is Kay Chun, HIS's NPI number?
Kay Chun, HIS's National Provider Identifier (NPI) is 1821622291, issued on Feb 25, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Kay Chun, HIS located?
The NPPES record lists a practice address at 1020 E Bastanchury RD, Fullerton, CA, 92835. Phone: (714) 672-9445. Providers update this record themselves, so call before visiting.
How can I verify Kay Chun, HIS's license?
NPPES lists California license number HA8571, 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.
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.