Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Stacey Ann Williamson, PA-C

Physician Assistant in Tigard, OR · enumerated 2010.

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

National Provider Identifier

1457667891

Verified

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Registry record

Entity type Individual (Type 1)

Name Stacey Ann Williamson

Credential PA-C

Sex Female

Practice address 12442 Sw Scholls Ferry Rd Ste 100, Tigard, OR, 97223

Phone (503) 216-9200

Enumeration date Aug 24, 2010

Last updated in NPPES Jul 6, 2021

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 2020025684 (MO) Secondary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 085008245 (IL) Secondary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA178932 (OR) 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

Where does Stacey Williamson practice?

The practice location on file with NPPES is in Tigard, OR. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Stacey Williamson?

The National Provider Identifier (NPI) for Stacey Williamson is 1457667891, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Martha Geisheker Adult Health Nurse Practitioner · Tigard, OR NPI 1194800961 Tina Kang-Lim Psychologist · Tigard, OR NPI 1861695470 Lauren Gorence Physician Assistant · Tigard, OR NPI 1831482744 Jacob Sheff Pediatrics Physician · Tigard, OR NPI 1871860676 Enrique Barrera Family Nurse Practitioner · Tigard, OR NPI 1528337201 Stephanie D'Andrea Adult Health Nurse Practitioner · Tigard, OR NPI 1497125884 Matthew Williams Emergency Medicine Physician · Tigard, OR NPI 1154776359 Emily Jacobson Clinical Psychologist · Tigard, OR NPI 1578915377

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-07-06.