Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mr. Jonathan Robert James Mahaffie

Speech-Language Pathologist in Monterey, CA · enumerated 2014 · practices at Central Coast Language and Learning Center.

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

National Provider Identifier

1134545718

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Registry record

Entity type Individual (Type 1)

Name Mr. Jonathan Robert James Mahaffie

Sex Male

Practice address Monterey, CA, 93940

Phone (831) 645-7900

Enumeration date Mar 6, 2014

Last updated in NPPES Mar 6, 2014

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

235Z00000X Speech-Language Pathologist 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

How do I verify Jonathan Mahaffie's NPI record?

Cross-check NPI 1134545718 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1134545718 active?

Yes — as of the latest NPPES snapshot, NPI 1134545718 is active (record last updated 2014-03-06).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-03-06.