Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Michael Patrick Johnston, MSW

Clinical Social Worker in Spokane, WA · enumerated 2008.

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

National Provider Identifier

1346485372

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Registry record

Entity type Individual (Type 1)

Name Mr. Michael Patrick Johnston

Credential MSW

Sex Male

Practice address 105 W 8th Ave Ste 418c, Spokane, WA, 99204

Phone (509) 474-6920

Fax (509) 227-7070

Enumeration date Dec 4, 2008

Last updated in NPPES Dec 5, 2021

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License RC60026601 (WA) Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 60242907 (WA) Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License LW60242907 (WA) Primary

Other identifiers

Identifier	Type	State	Issuer
1346485372	Other	-	1346485372

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.

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Frequently asked questions

What is the NPI number for Michael Johnston?

The National Provider Identifier (NPI) for Michael Johnston is 1346485372, a Type 1 (individual) record in the CMS NPPES registry.

Where does Michael Johnston 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 2021-12-05.