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OCEANN ENT
NPI 1477071587
Otolaryngology - Pediatric Otolaryngology in Huntington Beach, CA

Active since September 08, 2017
17742 BEACH BLVD STE 345, HUNTINGTON BEACH, CA 92647(714) 444-3448 Get Directions Write a Review

NPPES record last updated: July 12, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 12, 2022, Nov 13, 2018, Mar 6, 2018 and 1 more (4 updates tracked since 2017).

About Oceann Ent NPPES

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

OCEANN ENT (NPI 1477071587) is a healthcare organization registered as a pediatric otolaryngology in Huntington Beach, California and active in the NPI registry since September 2017. The organization lists Kathy Yu-syken, President, as its authorized official.

NPPES Registry Identity

NPI1477071587
Entity TypeOrganization
Primary Taxonomy207YP0228X
Legal Business NameKATHY YU-SYKEN, MD INC A MEDICAL CORPORATION
Location Address17742 BEACH BLVD STE 345Huntington Beach, CA 92647-6872
Mailing Address17742 Beach Blvd Ste 355Huntington Beach, CA 92647-6854 · (714) 375-4224 · Fax (714) 375-4231
Phone(714) 444-3448
Organization SubpartNo
Authorized OfficialKathy Yu-sykenPresident · (562) 343-3974
Enumeration DateSeptember 8, 2017
Last NPPES UpdateJuly 12, 20224 updates tracked since enumeration
NPPES CertifiedJuly 12, 2022
✔ NPI 1477071587 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngology · Pediatric OtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207YP0228X
License✔ Licensed in CA · A109401
Definition
A pediatric otolaryngologist has special expertise in the management of infants and children with disorders that include congenital and acquired conditions involving the aerodigestive tract, nose and paranasal sinuses, the ear and other areas of the head and neck. The pediatric otolaryngologist has special skills in the diagnosis, treatment, and management of childhood disorders of voice, speech, language and hearing.
17742 BEACH BLVD STE 345, Huntington Beach, CA 92647
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Other Names 1

Doing Business AsOceann Ent

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Oceann Ent is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Oceann Ent, which bills Medicare for the services this clinician delivers.

Clinician (1)

Kathy Yu, M.D.
Otolaryngology
NPI 1255587762
17742 BEACH BLVD STE 345
Huntington Beach, CA 92647
(714) 375-4224
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Kathy Yu-Syken, MD Inc A Medical Corporation's NPI number?

The NPI number for Kathy Yu-Syken, MD Inc A Medical Corporation is 1477071587. It was assigned to this organization in the NPPES registry on September 8, 2017. The provider is doing business as Oceann Ent.

Where is Kathy Yu-Syken, MD Inc A Medical Corporation located?

Kathy Yu-Syken, MD Inc A Medical Corporation is located at 17742 Beach Blvd Ste 345, Huntington Beach, CA 92647. The listed phone number is (714) 444-3448.

What is Kathy Yu-Syken, MD Inc A Medical Corporation's specialty?

The primary specialty registered for this NPI is Otolaryngology, specializing in Pediatric Otolaryngology, with taxonomy code 207YP0228X.

Is Kathy Yu-Syken, MD Inc A Medical Corporation enrolled in Medicare?

Yes. Kathy Yu-Syken, MD Inc A Medical Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Kathy Yu-Syken, MD Inc A Medical Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Otolaryngology) reassigns their Medicare billing to Kathy Yu-Syken, MD Inc A Medical Corporation. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Kathy Yu-Syken, MD Inc A Medical Corporation was last updated on July 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.