Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Grace Weilin Chang, AUD

Audiologist in Seattle, WA · enumerated 2018.

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

National Provider Identifier

1245729706

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Registry record

Entity type Individual (Type 1)

Name Ms. Grace Weilin Chang

Credential AUD

Sex Female

Practice address 4800 Sand Point Way Ne, Seattle, WA, 98105

Phone (206) 987-2000

Enumeration date May 9, 2018

Last updated in NPPES May 9, 2018

Taxonomy & licenses

231H00000X Audiologist Speech, Language and Hearing Service Providers Primary

AUD · Doctor of Audiology: A licensed audiologist diagnosing and treating hearing and balance disorders. About the AUD 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

How do I verify Grace Chang's NPI record?

Cross-check NPI 1245729706 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1245729706 active?

Yes, as of the latest NPPES snapshot, NPI 1245729706 is active (record last updated 2018-05-09).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-05-09.