NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jon Dunphy

Orthotic Fitter in Walnut Creek, CA · enumerated 2007 · practices at Restore Medical Inc.

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

National Provider Identifier

1831386093

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Jon Dunphy
Sex Male
Practice address 2075 N Broadway, Walnut Creek, CA, 94596
Phone (925) 930-7801
Enumeration date Oct 1, 2007
Last updated in NPPES Oct 1, 2007

Taxonomy & licenses

225000000X Orthotic Fitter Respiratory, Developmental, Rehabilitative and Restorative 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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Jon Dunphy practice?
The practice location on file with NPPES is in Walnut Creek, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Jon Dunphy?
The National Provider Identifier (NPI) for Jon Dunphy is 1831386093, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-10-01.