GREATER ORANGE COUNTY EAR NOSE THROAT HEAD & NECK SURGEONS INC
NPI 1811465719
Otolaryngology in Fullerton, CA

Q: What is Greater Orange County Ear Nose Throat Head & Neck Surgeons Inc's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Active since November 08, 2018

2240 N HARBOR BLVD STE 200, FULLERTON, CA 92835(714) 447-4100(714) 447-1922 Get Directions Write a Review

NPPES record last updated: August 7, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 7, 2023, Sep 25, 2019, Jan 18, 2019 and 1 more (4 updates tracked since 2018).

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About Greater Orange County Ear Nose Throat Head & Neck Surgeons Inc NPPES

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

GREATER ORANGE COUNTY EAR NOSE THROAT HEAD & NECK SURGEONS INC (NPI 1811465719), doing business as Eric Waki Md Ent Inc, is a healthcare organization registered as an otolaryngology in Fullerton, California and active in the NPI registry since November 2018. The organization maintains a secondary practice location in Fullerton and lists Eric Y Waki, Ceo, as its authorized official.

NPPES Registry Identity

NPI1811465719

Entity TypeOrganization

Primary Taxonomy207Y00000X

Legal Business NameGREATER ORANGE COUNTY EAR NOSE THROAT HEAD & NECK SURGEONS INC

Location Address2240 N HARBOR BLVD STE 200Fullerton, CA 92835-2635

Mailing Address2240 N Harbor Blvd Ste 200Fullerton, CA 92835-2635 · (714) 447-4100 · Fax (714) 447-1922

Phone(714) 447-4100

Fax(714) 447-1922

Organization SubpartYes

Authorized OfficialEric Y WakiCeo · (714) 447-4100

Enumeration DateNovember 8, 2018

Last NPPES UpdateAugust 7, 20234 updates tracked since enumeration

NPPES CertifiedAugust 7, 2023

✔ NPI 1811465719 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians

Taxonomy Code207Y00000X

Definition

An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.

2240 N HARBOR BLVD STE 200, Fullerton, CA 92835

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Other Names 1

Former Legal Business NameEric Waki Md Ent Inc

Secondary Practice Location 1

Location 12240 N Harbor Blvd Ste 200Fullerton, CA 92835-2635 · Phone (714) 447-4100 ext. 224 · Fax (714) 447-1922

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)

Greater Orange County Ear Nose Throat Head & Neck Surgeons Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 5 clinicians reassign Medicare billing to Greater Orange County Ear Nose Throat Head & Neck Surgeons Inc, which bills Medicare for the services they deliver. Of these, 4 practice at this address. They are listed nearest first.

Clinicians, nearest first (5)

Michael Kao

Otolaryngology

NPI 1639445554

2240 N HARBOR BLVD STE 200
Fullerton, CA 92835

(714) 447-4100

✔ PECOS✔ Accepts MedicareSame address

Elaine Martin, MD

Otolaryngology

NPI 1720541048

2240 N HARBOR BLVD STE 200
Fullerton, CA 92835

(714) 447-4100

✔ PECOS✔ Accepts MedicareSame address

Eric Sugihara, DO

Otolaryngology

NPI 1154661015

2240 N HARBOR BLVD STE 200
Fullerton, CA 92835

(714) 447-4100

✔ PECOS✔ Accepts MedicareSame address

Eric Waki, M.D.

Otolaryngology

NPI 1306866462

2240 N HARBOR BLVD STE 200
Fullerton, CA 92835

(714) 447-4100

✔ PECOS✔ Accepts MedicareSame address

Christopher Vuong, M.D.

Otolaryngology

NPI 1750726774

39000 BOB HOPE DR BLDG SUITE3
Rancho Mirage, CA 92270

(909) 558-4289

✔ PECOS✔ Accepts Medicare88 mi

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 Greater Orange County Ear Nose Throat Head & Neck Surgeons Inc's NPI number?

The NPI number for Greater Orange County Ear Nose Throat Head & Neck Surgeons Inc is 1811465719. It was assigned to this organization in the NPPES registry on November 8, 2018. The provider was formerly known as Eric Waki MD Ent Inc.

Where is Greater Orange County Ear Nose Throat Head & Neck Surgeons Inc located?

Greater Orange County Ear Nose Throat Head & Neck Surgeons Inc is located at 2240 N Harbor Blvd Ste 200, Fullerton, CA 92835. The listed phone number is (714) 447-4100.

What is Greater Orange County Ear Nose Throat Head & Neck Surgeons Inc's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Greater Orange County Ear Nose Throat Head & Neck Surgeons Inc enrolled in Medicare?

Yes. Greater Orange County Ear Nose Throat Head & Neck Surgeons Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Greater Orange County Ear Nose Throat Head & Neck Surgeons Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians, all in Otolaryngology, reassign their Medicare billing to Greater Orange County Ear Nose Throat Head & Neck Surgeons Inc. 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. Of these, 4 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Greater Orange County Ear Nose Throat Head & Neck Surgeons Inc was last updated on August 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.