Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Connor Stuart

Addiction (Substance Use Disorder) Counselor in Lowell, MA · enumerated 2019.

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

National Provider Identifier

1639710189

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Registry record

Entity type Individual (Type 1)

Name Connor Stuart

Sex Male

Practice address 101 Jackson St, Lowell, MA, 01852

Phone (978) 459-8656

Enumeration date Oct 7, 2019

Last updated in NPPES Oct 7, 2019

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social 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

Where does Connor Stuart practice?

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

What is the NPI number for Connor Stuart?

The National Provider Identifier (NPI) for Connor Stuart is 1639710189, 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 2019-10-07.