NPI Portal NPI Lookup & Verification

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

Mr. Thomas D Dunning, MA

Mental Health Counselor in Norton, MA · enumerated 2007.

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

National Provider Identifier

1659575306

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Registry record

Entity type Individual (Type 1)
Name Mr. Thomas D Dunning
Credential MA
Sex Male
Practice address Norton, MA, 02766
Enumeration date Jun 14, 2007
Last updated in NPPES Oct 4, 2022

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

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License 6943 (MA) 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

What is the NPI number for Thomas Dunning?
The National Provider Identifier (NPI) for Thomas Dunning is 1659575306, a Type 1 (individual) record in the CMS NPPES registry.
Where does Thomas Dunning practice?
The practice location on file with NPPES is in Norton, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-10-04.