Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MS. ANN D LIOU DDS, MSD
NPI 1437133774
Dentist - Prosthodontics in Edmonds, WA

Q: What is Ann Liou's NPI number?

The NPI number for Ann Liou is 1437133774. It was assigned to this individual provider in the NPPES registry on November 30, 2005.

Q: What is Ann Liou's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Prosthodontics, with taxonomy code 1223P0700X.

Q: When was this NPI record last updated?

The NPPES record for Ann Liou was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days 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 30, 2005

22815 100TH AVE W, EDMONDS, WA 98020(425) 776-3166(425) 776-3881 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Ms. Ann D Liou Dds, Msd NPPES

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

MS. ANN D LIOU DDS, MSD (NPI 1437133774) is an individual prosthodontics provider in Edmonds, Washington, licensed in Washington (6629) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1437133774

Entity TypeIndividualFemale

Primary Taxonomy1223P0700X

Provider Legal NameMS. ANN D LIOUCredential: DDS, MSD

Location Address22815 100TH AVE WEdmonds, WA 98020-5919

Mailing Address22815 100th Ave WEdmonds, WA 98020-5919 · (425) 776-3166 · Fax (425) 776-3881

Phone(425) 776-3166

Fax(425) 776-3881

Sole ProprietorNo

Enumeration DateNovember 30, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1437133774 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · ProsthodonticsDental Providers

Taxonomy Code1223P0700X

License✔ Licensed in WA · 6629

Definition

That branch of dentistry pertaining to the restoration and maintenance of oral functions, comfort, appearance and health of the patient by the restoration of natural teeth and/or the replacement of missing teeth and contiguous oral and maxillofacial tissues with artificial substitutes.

22815 100TH AVE W, Edmonds, WA 98020

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Other Providers at the Same Location NPPES 2

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

ANN D. LIOU, DDS, MSD, PS

Dentist (Prosthodontics)

22815 100TH AVE W
EDMONDS, WA 98020

Snohomish County (425) 776-3166

A D LIOU DDS MSD PS

Dentist (Prosthodontics)

22815 100TH AVE W
EDMONDS, WA 98020

Snohomish County (425) 776-3166

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 Ann Liou's NPI number?

The NPI number for Ann Liou is 1437133774. It was assigned to this individual provider in the NPPES registry on November 30, 2005.

Where is Ann Liou located?

Ann Liou practices at 22815 100th Ave W, Edmonds, WA 98020. The listed phone number is (425) 776-3166.

What is Ann Liou's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Prosthodontics, with taxonomy code 1223P0700X.

When was this NPI record last updated?

The NPPES record for Ann Liou was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days 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.