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James Carleton Francis Marston, MA, LCMHC

Mental Health Counselor in Barrington, NH · enumerated 2012 · practices at Alliance Mental Health and Youth Consultation Services LLC.

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

National Provider Identifier

1285985192

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Registry record

Entity type Individual (Type 1)
Name James Carleton Francis Marston
Credential MA, LCMHC
Sex Male
Practice address 221 Old Concord Tpke Unit B, Barrington, NH, 03825
Phone (603) 742-9200
Fax (603) 347-8417
Enumeration date Oct 2, 2012
Last updated in NPPES Aug 20, 2025

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers Primary

Other identifiers

Identifier Type State Issuer
3091238 Medicaid NH -

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 James Carleton Marston?
The National Provider Identifier (NPI) for James Carleton Marston is 1285985192, a Type 1 (individual) record in the CMS NPPES registry.
Where does James Carleton Marston practice?
The practice location on file with NPPES is in Barrington, NH. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-08-20.