Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Sonja B Arganbright, ARNP

Family Nurse Practitioner in Spokane, WA · enumerated 2007.

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

National Provider Identifier

1639361462

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Registry record

Entity type Individual (Type 1)

Name Sonja B Arganbright

Credential ARNP

Sex Female

Practice address 212 E Central Ave Ste 315, Spokane, WA, 99208

Phone (509) 465-3919

Enumeration date Aug 15, 2007

Last updated in NPPES Apr 5, 2021

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License IT40000985 (WA) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License AP30007873 (WA) Primary

Other identifiers

Identifier	Type	State	Issuer
9653726	Medicaid	WA	-
0241847	Other	WA	DEPT L&I

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 is the NPI number for Sonja Arganbright?

The National Provider Identifier (NPI) for Sonja Arganbright is 1639361462, a Type 1 (individual) record in the CMS NPPES registry.

Where does Sonja Arganbright practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-04-05.