Kay Bui, HAD
NPI 1871844688 · Hearing Instrument Specialist · Fullerton, CA
Kay Bui, HAD is a Hearing Instrument Specialist provider in Fullerton, CA (NPI 1871844688).
Provider details
- NPI number
- 1871844688
- Entity type
- Individual
- Primary specialty
- Hearing Instrument SpecialistSpeech, Language and Hearing Service Providers
- Credential
- HAD
- Sex
- Female
- Sole proprietor
- No
- License
- HA7651 (CA)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-09-20
- Last updated
- 2012-09-21
Frequently asked questions
- What is Kay Bui's NPI number?
- Kay Bui's National Provider Identifier (NPI) is 1871844688, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kay Bui's specialty?
- Kay Bui is listed in the NPPES registry with a primary specialty of Hearing Instrument Specialist (Speech, Language and Hearing Service Providers).
- Where is Kay Bui located?
- Kay Bui's practice location on file with NPPES is 1321 N Harbor Blvd Ste 101, Fullerton, CA 92835-4129.
- What is Kay Bui's phone number?
- The practice phone number listed in the NPPES registry for Kay Bui is (714) 870-4822.
- Is Kay Bui's NPI active?
- Yes — Kay Bui's NPI (1871844688) is active in the NPPES registry as of the last update on 2012-09-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.