Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mariah Chagnon, MS, LMFT

Marriage & Family Therapist in Concord, NH · enumerated 2019 · practices at Ellacoya Counseling Pllc.

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

National Provider Identifier

1245871367

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Registry record

Entity type Individual (Type 1)

Name Mariah Chagnon

Credential MS, LMFT

Sex Female

Practice address 3 Pleasant St Ste 5, Concord, NH, 03301

Phone (603) 506-4368

Enumeration date Sep 30, 2019

Last updated in NPPES Sep 13, 2022

Taxonomy & licenses

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License 277 (NH) Primary

LMFT · Licensed Marriage and Family Therapist: A licensed therapist specializing in relational and family psychotherapy. About the LMFT credential

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 1245871367 active?

Yes, as of the latest NPPES snapshot, NPI 1245871367 is active (record last updated 2022-09-13).

How do I verify Mariah Chagnon's NPI record?

Cross-check NPI 1245871367 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Ellacoya Counseling Pllc Marriage & Family Therapist · Concord, NH NPI 1831811215

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-09-13.