Alliance Mental Health and Youth Consultation Services LLC
NPI 1588048854 · Mental Health Counselor · Barrington, NH
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alliance Mental Health and Youth Consultation Services LLC is a Mental Health Counselor organization in Barrington, NH (NPI 1588048854).
Provider details
- NPI number
- 1588048854
- Entity type
- Organization
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- James Carleton Marston, Clinical Director(603) 343-2166
Specialties & taxonomies
Behavioral Health & Social Service Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-07-16
- Last updated
- 2025-08-20
- Certified
- 2025-08-20
Frequently asked questions
- What is Alliance Mental Health and Youth Consultation Services LLC's NPI number?
- Alliance Mental Health and Youth Consultation Services LLC's National Provider Identifier (NPI) is 1588048854, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Alliance Mental Health and Youth Consultation Services LLC?
- Alliance Mental Health and Youth Consultation Services LLC is classified in the NPPES registry as Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Alliance Mental Health and Youth Consultation Services LLC located?
- Alliance Mental Health and Youth Consultation Services LLC's practice location on file with NPPES is 221 Old Concord Tpke Unit B, Barrington, NH 03825-5211.
- What is Alliance Mental Health and Youth Consultation Services LLC's phone number?
- The practice phone number listed in the NPPES registry for Alliance Mental Health and Youth Consultation Services LLC is (603) 343-2166.
- Does Alliance Mental Health and Youth Consultation Services LLC accept Medicare?
- Alliance Mental Health and Youth Consultation Services LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Alliance Mental Health and Youth Consultation Services LLC?
- The authorized official listed on Alliance Mental Health and Youth Consultation Services LLC's NPPES record is James Carleton Marston, Clinical Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Alliance Mental Health and Youth Consultation Services LLC's NPI active?
- Yes — Alliance Mental Health and Youth Consultation Services LLC's NPI (1588048854) is active in the NPPES registry as of the last update on 2025-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.