Quick answers
- Does James Carleton F. Marston accept Medicare assignment?
- Medicare's clinician data says James Carleton F. Marston may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- What is James Carleton F. Marston's NPI number?
- 1285985192. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where James Carleton F. Marston is enrolled with Medicare (CMS data updated October 2, 2026).
- 221 Old Concord Tpke, Unit BBarrington, NH 03825 (603) 343‑2166
Group practices
Medicare enrollment lists James Carleton F. Marston as a member of this group (CMS data updated October 2, 2026).
- Alliance Mental Health and Youth Consultation Services LLC3 clinicians in the group
Specialties
- Mental Health Counselorprimary
Find other clinicians: Mental Health Counselor, New Hampshire →
Other mental health counselors in New Hampshire
Clinicians with the same Medicare primary specialty in New Hampshire — not a recommendation.
Other clinicians in Alliance Mental Health and Youth Consultation Services LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2010 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1285985192 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians