1. Home
  2. Directory
  3. California
  4. Fullerton
  5. Audiologist
  6. NPI Profile

KEONSEOK YOON AU.D.
NPI 1093408262
Audiologist in Fullerton, CA

Active since June 01, 2023
2240 N HARBOR BLVD STE 200, FULLERTON, CA 92835(714) 447-4100 Get Directions Write a Review

NPPES record last updated: October 27, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Oct 27, 2023, Jun 1, 2023 (2 updates tracked since 2023).

About Keonseok Yoon Au.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KEONSEOK YOON AU.D. (NPI 1093408262) is an individual audiologist in Fullerton, California, licensed in California (3850) and active in the NPI registry since June 2023.

NPPES Registry Identity

NPI1093408262
Entity TypeIndividualMale
Primary Taxonomy231H00000X
Provider Legal NameKEONSEOK YOONCredential: AU.D.
Location Address2240 N HARBOR BLVD STE 200Fullerton, CA 92835-2635
Mailing Address5600 River Way Apt JBuena Park, CA 90621-1724 · (860) 786-8343
Phone(714) 447-4100
Sole ProprietorNo
Enumeration DateJune 1, 2023
Last NPPES UpdateOctober 27, 20232 updates tracked since enumeration
NPPES CertifiedOctober 27, 2023
✔ NPI 1093408262 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAudiologistSpeech, Language and Hearing Service Providers
Taxonomy Code231H00000X
Licenses✔ Licensed in CA · 3850✔ Licensed in CT · 743
Definition
(1) A specialist in evaluation, habilitation and rehabilitation of those whose communication disorders center in whole or in part in hearing function. Audiologists are autonomous professionals who identify, assess, and manage disorders of the auditory, balance and other neural systems. Audiologists provide audiological (aural) rehabilitation to children and adults across the entire age span. Audiologists select, fit and dispense amplification systems such as hearing aids and related devices. (2) An audiologist is a person qualified by a master's degree in audiology, licensed by the state, where applicable, and practicing within the scope of that license. Audiologists evaluate and treat patients with impaired hearing. They plan, direct and conduct rehabilitative programs with audiotry substitutional devises (hearing aids) and other therapy.
2240 N HARBOR BLVD STE 200, Fullerton, CA 92835
Open in Google Maps ↗

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ERIC SUGIHARA DO
Otolaryngology
2240 N HARBOR BLVD STE 200
FULLERTON, CA 92835
Orange County (714) 447-4100
DR. ERIC YOSHIHIRO WAKI M.D.
Specialist
2240 N HARBOR BLVD STE 200
FULLERTON, CA 92835
Orange County (714) 447-4100
MICHAEL CHAN-WEI KAO
Otolaryngology
2240 N HARBOR BLVD STE 200
FULLERTON, CA 92835
Orange County (714) 447-4100
ELAINE CHRISTINE MARTIN MD
Otolaryngology
2240 N HARBOR BLVD STE 200
FULLERTON, CA 92835
Orange County (714) 447-4100
TIFFANY TRANG TRAN AU.D.
Audiologist
2240 N HARBOR BLVD STE 200
FULLERTON, CA 92835
Orange County (714) 447-4100
GREATER ORANGE COUNTY EAR NOSE THROAT HEAD & NECK SURGEONS INC
Otolaryngology
2240 N HARBOR BLVD STE 200
FULLERTON, CA 92835
Orange County (714) 447-4100

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Keonseok Yoon's NPI number?

The NPI number for Keonseok Yoon is 1093408262. It was assigned to this individual provider in the NPPES registry on June 1, 2023.

Where is Keonseok Yoon located?

Keonseok Yoon practices at 2240 N Harbor Blvd Ste 200, Fullerton, CA 92835. The listed phone number is (714) 447-4100.

What is Keonseok Yoon's specialty?

The primary specialty registered for this NPI is Audiologist with taxonomy code 231H00000X.

When was this NPI record last updated?

The NPPES record for Keonseok Yoon was last updated on October 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.