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EAR, NOSE AND THROAT ASSOCIATES OF SAN MATEO COUNTY INC
NPI 1699792598
Otolaryngology in San Mateo, CA

Active since July 16, 2006
100 S. ELLSWORTH AVENUE, SUITE 308, SAN MATEO, CA 94401(650) 344-6896(650) 344-2794 Get Directions Write a Review

NPPES record last updated: February 11, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 11, 2020, Nov 28, 2018, Nov 7, 2018 (3 updates tracked since 2018).

About Ear, Nose And Throat Associates Of San Mateo County Inc NPPES

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

EAR, NOSE AND THROAT ASSOCIATES OF SAN MATEO COUNTY INC (NPI 1699792598), doing business as Ear, Nose & Throat Medical Group Of San Mateo, Inc, is a healthcare organization registered as an otolaryngology in San Mateo, California and active in the NPI registry since July 2006. The organization lists Jennifer F. Bock Hughes, President, as its authorized official.

NPPES Registry Identity

NPI1699792598
Entity TypeOrganization
Primary Taxonomy207Y00000X
Legal Business NameEAR, NOSE AND THROAT ASSOCIATES OF SAN MATEO COUNTY INC
Location Address100 S. ELLSWORTH AVENUE, SUITE 308San Mateo, CA 94401-3931
Mailing Address100 S. Ellsworth Avenue, Suite 308San Mateo, CA 94401-3931 · (650) 344-6896 · Fax (650) 344-2794
Phone(650) 344-6896
Fax(650) 344-2794
Organization SubpartNo
Authorized OfficialJennifer F. Bock HughesPresident · (650) 344-6896
Enumeration DateJuly 16, 2006
Last NPPES UpdateFebruary 11, 20203 updates tracked since enumeration
✔ NPI 1699792598 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License✔ Licensed in CA · G71603
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.
100 S. ELLSWORTH AVENUE, San Mateo, CA 94401
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Other Names 1

Former Legal Business NameEar, Nose & Throat Medical Group Of San Mateo, Inc

Other Identifiers 2

MedicaidZZZ80557ZCA
OtherZZZ80557ZCA · Blue Shield

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 MULTIPLE 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)

Ear, Nose And Throat Associates Of San Mateo County Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

8

Medicare enrollment records show 8 clinicians reassign Medicare billing to Ear, Nose And Throat Associates Of San Mateo County Inc, which bills Medicare for the services they deliver. Of these, 5 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (8)

Jennifer Bock-Hughes, M.D.
Otolaryngology
NPI 1033136916
100 S ELLSWORTH AVE STE 308
San Mateo, CA 94401
(650) 344-6896
✔ PECOS✔ Accepts Medicare0.2 mi
Terri Chipman, M.D.
Otolaryngology
NPI 1427078377
100 S ELLSWORTH AVE STE 308
San Mateo, CA 94401
(650) 344-6896
✔ PECOS0.2 mi
Christina Laane, M.D.
Otolaryngology
NPI 1386661288
100 S ELLSWORTH AVE STE 308
San Mateo, CA 94401
(650) 344-6896
✔ PECOS✔ Accepts Medicare0.2 mi
Helena Yip, MD
Otolaryngology
NPI 1033193826
1501 TROUSDALE DR 3RD FLOOR
Burlingame, CA 94010
(650) 240-8198
✔ PECOS✔ Accepts Medicare3.5 mi
David Ellison, M.D.
Otolaryngology
NPI 1033139076
1501 TROUSDALE DR 3RD FLOOR
Burlingame, CA 94010
(650) 652-8580
✔ PECOS✔ Accepts Medicare3.6 mi
Sonia Chen, M.D.
Otolaryngology
NPI 1487946794
280 W MACARTHUR BLVD
Oakland, CA 94611
(510) 752-6400
✔ PECOS✔ Accepts Medicare18 mi
Reza Vaezeafshar, MD
Otolaryngology
NPI 1285044669
5800 HOLLIS ST
Emeryville, CA 94608
(510) 465-0941
✔ PECOS✔ Accepts Medicare19 mi
Sneh Lavingia, M.D.
Otolaryngology
NPI 1902168545
241 CHARLES H DIMMOCK PKWY STE 6
Colonial Heights, VA 23834
(804) 765-5320
✔ PECOS✔ Accepts Medicare2,447 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 Ear, Nose And Throat Associates Of San Mateo County Inc's NPI number?

The NPI number for Ear, Nose And Throat Associates Of San Mateo County Inc is 1699792598. It was assigned to this organization in the NPPES registry on July 16, 2006. The provider was formerly known as Ear, Nose & Throat Medical Group Of San Mateo, Inc.

Where is Ear, Nose And Throat Associates Of San Mateo County Inc located?

Ear, Nose And Throat Associates Of San Mateo County Inc is located at 100 S. Ellsworth Avenue Suite 308, San Mateo, CA 94401. The listed phone number is (650) 344-6896.

What is Ear, Nose And Throat Associates Of San Mateo County Inc's specialty?

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

Is Ear, Nose And Throat Associates Of San Mateo County Inc enrolled in Medicare?

Yes. Ear, Nose And Throat Associates Of San Mateo County Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ear, Nose And Throat Associates Of San Mateo County Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 8 clinicians, all in Otolaryngology, reassign their Medicare billing to Ear, Nose And Throat Associates Of San Mateo County 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, 5 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Ear, Nose And Throat Associates Of San Mateo County Inc was last updated on February 11, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.