Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Andy C. A. Yu, D.D.S.

General Practice Dentistry in Issaquah, WA · enumerated 2012.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1821340001

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Registry record

Entity type Individual (Type 1)

Name Dr. Andy C. A. Yu

Credential D.D.S.

Sex Male

Practice address 22525 Se 64th Pl Ste 170, Issaquah, WA, 98027

Phone (425) 837-0383

Fax (425) 837-0710

Enumeration date Oct 11, 2012

Last updated in NPPES Feb 16, 2021

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License 60599943 (WA) Primary

DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1821340001 active?

Yes, as of the latest NPPES snapshot, NPI 1821340001 is active (record last updated 2021-02-16).

How do I verify Andy Yu's NPI record?

Cross-check NPI 1821340001 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-02-16.