Keonseok Yoon, AU.D.
NPI 1093408262 · Audiologist · Fullerton, CA
Keonseok Yoon, AU.D. is a Audiologist provider in Fullerton, CA (NPI 1093408262).
Provider details
- NPI number
- 1093408262
- Entity type
- Individual
- Primary specialty
- AudiologistSpeech, Language and Hearing Service Providers
- Credential
- AU.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 743 (CT)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
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
3 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
- 2023-06-01
- Last updated
- 2023-10-27
- Certified
- 2023-10-27
Frequently asked questions
- What is Keonseok Yoon's NPI number?
- Keonseok Yoon's National Provider Identifier (NPI) is 1093408262, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keonseok Yoon's specialty?
- Keonseok Yoon is listed in the NPPES registry with a primary specialty of Audiologist (Speech, Language and Hearing Service Providers).
- Where is Keonseok Yoon located?
- Keonseok Yoon's practice location on file with NPPES is 2240 N Harbor Blvd Ste 200, Fullerton, CA 92835-2635.
- What is Keonseok Yoon's phone number?
- The practice phone number listed in the NPPES registry for Keonseok Yoon is (714) 447-4100.
- Is Keonseok Yoon's NPI active?
- Yes — Keonseok Yoon's NPI (1093408262) is active in the NPPES registry as of the last update on 2023-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.