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

Mr. Steven Michael Vigneault Sr.

Addiction (Substance Use Disorder) Counselor in East Longmeadow, MA · enumerated 2021.

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

National Provider Identifier

1699439547

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Registry record

Entity type Individual (Type 1)

Name Mr. Steven Michael Vigneault Sr.

Sex Male

Practice address East Longmeadow, MA, 01028

Phone (413) 333-8723

Fax (413) 572-6840

Enumeration date Oct 27, 2021

Last updated in NPPES Nov 2, 2021

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

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.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1699439547 active?

Yes, as of the latest NPPES snapshot, NPI 1699439547 is active (record last updated 2021-11-02).

How do I verify Steven Vigneault's NPI record?

Cross-check NPI 1699439547 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-11-02.