Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Brian Johnston

Hearing Instrument Specialist in Riverside, CA · enumerated 2018.

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

National Provider Identifier

1912401589

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Registry record

Entity type Individual (Type 1)

Name Brian Johnston

Sex Male

Practice address 3832 La Sierra Ave, Riverside, CA, 92505

Phone (951) 637-3722

Enumeration date Mar 20, 2018

Last updated in NPPES Mar 20, 2018

Taxonomy & licenses

237700000X Hearing Instrument Specialist Speech, Language and Hearing Service Providers 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.

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Frequently asked questions

Is NPI 1912401589 active?

Yes, as of the latest NPPES snapshot, NPI 1912401589 is active (record last updated 2018-03-20).

How do I verify Brian Johnston's NPI record?

Cross-check NPI 1912401589 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Sarah Razo Audiologist · Riverside, CA NPI 1508801572

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-03-20.