Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Joseph Demers, LADC

Addiction (Substance Use Disorder) Counselor in Plymouth, NH · enumerated 2023 · practices at Guardian Recovery - Plymouth House, LLC.

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

National Provider Identifier

1740981901

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Registry record

Entity type Individual (Type 1)

Name Joseph Demers

Credential LADC

Sex Male

Practice address 446 Main St, Plymouth, NH, 03264

Phone (603) 707-4496

Enumeration date Mar 15, 2023

Last updated in NPPES Mar 15, 2023

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 1079 (NH) 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 1740981901 active?

Yes, as of the latest NPPES snapshot, NPI 1740981901 is active (record last updated 2023-03-15).

How do I verify Joseph Demers's NPI record?

Cross-check NPI 1740981901 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Other providers at this practice address

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Guardian Recovery - Plymouth House, LLC Substance Abuse Rehabilitation Facility · Plymouth, NH NPI 1891386793 Sarah Michel Student in an Organized Health Care Education/Training Program · Plymouth, NH NPI 1710838040

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-03-15.