Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Matthew Dunning

Physical Therapist in Greenwich, CT · enumerated 2012.

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

National Provider Identifier

1598023897

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Registry record

Entity type Individual (Type 1)

Name Matthew Dunning

Sex Male

Practice address 6 Greenwich Office Park, Greenwich, CT, 06831

Phone (203) 869-1145

Enumeration date Apr 25, 2012

Last updated in NPPES Oct 25, 2017

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 034897 (CT) 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

Where does Matthew Dunning practice?

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

What is the NPI number for Matthew Dunning?

The National Provider Identifier (NPI) for Matthew Dunning is 1598023897, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-10-25.