Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Grace Chia-Hua Chen, PA-C

Physician Assistant in Mountlake Terrace, WA · enumerated 2005 · practices at Pacific Imaging Pllc.

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

National Provider Identifier

1639176902

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Registry record

Entity type Individual (Type 1)

Name Ms. Grace Chia-Hua Chen

Credential PA-C

Sex Female

Practice address 6808 220th St Sw, Suite 201, Mountlake Terrace, WA, 98043

Phone (425) 640-6976

Fax (425) 640-6977

Enumeration date Jul 1, 2005

Last updated in NPPES Oct 24, 2016

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 1761 (CO) Secondary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 18671 (CA) Secondary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA10004656 (WA) Primary

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

What specialty is Grace Chen?

Grace Chen is registered in NPPES with the primary taxonomy of Physician Assistant. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-10-24.