DR. LYNNE W HSIA DDS
NPI 1558435685
Dentist - Pediatric Dentistry in Sonoma, CA

Q: What is Lynne Hsia's NPI number?

The NPI number for Lynne Hsia is 1558435685. It was assigned to this individual provider in the NPPES registry on November 20, 2006.

Q: What is Lynne Hsia's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Pediatric Dentistry, with taxonomy code 1223P0221X.

Q: Is Lynne Hsia enrolled in Medicare?

No. Lynne Hsia has opted out of Medicare through April 7, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

Q: When was this NPI record last updated?

The NPPES record for Lynne Hsia was last updated on May 28, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.

Active since November 20, 2006Opted out of Medicare · through Apr 7, 2027

248 PERKINS ST, SONOMA, CA 95476(707) 938-7660(707) 721-1635 Get Directions Write a Review

NPPES record last updated: May 28, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Lynne W Hsia Dds NPPES

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

DR. LYNNE W HSIA DDS (NPI 1558435685) is an individual pediatric dentistry provider in Sonoma, California, licensed in California (47730) and active in the NPI registry since November 2006. She has opted out of Medicare through April 7, 2027.

NPPES Registry Identity

NPI1558435685

Entity TypeIndividualFemale

Primary Taxonomy1223P0221X

Provider Legal NameDR. LYNNE W HSIACredential: DDS

Location Address248 PERKINS STSonoma, CA 95476-6954

Mailing Address248 Perkins StSonoma, CA 95476-6954 · (707) 938-7660

Phone(707) 938-7660

Fax(707) 721-1635

Sole ProprietorNo

Enumeration DateNovember 20, 2006

Last NPPES UpdateMay 28, 2013

✔ NPI 1558435685 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · Pediatric DentistryDental Providers

Taxonomy Code1223P0221X

License✔ Licensed in CA · 47730

Definition

An age-defined specialty that provides both primary and comprehensive preventive and therapeutic oral health care for infants and children through adolescence, including those with special health care needs.

248 PERKINS ST, Sonoma, CA 95476

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BEST Life, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Lynne W Hsia Dds has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from April 7, 2023 through April 7, 2027.

Opt-Out Effective DateApril 7, 2023

Opt-Out In Effect ThroughApril 7, 2027Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES

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

DR. JAD S ELKHOURY DDS, MS

Dentist (Periodontics)

248 PERKINS ST
SONOMA, CA 95476

Sonoma County (707) 938-2155

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 Lynne Hsia's NPI number?

The NPI number for Lynne Hsia is 1558435685. It was assigned to this individual provider in the NPPES registry on November 20, 2006.

Where is Lynne Hsia located?

Lynne Hsia practices at 248 Perkins St, Sonoma, CA 95476. The listed phone number is (707) 938-7660.

What is Lynne Hsia's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Pediatric Dentistry, with taxonomy code 1223P0221X.

Is Lynne Hsia enrolled in Medicare?

No. Lynne Hsia has opted out of Medicare through April 7, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

What insurance does Lynne Hsia accept?

Health plans from BEST Life, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and HRI Dental & Vision and 4 other insurers list Lynne Hsia as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Lynne Hsia was last updated on May 28, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.