Marshall Rosier, MS, LADC, CAC, MATS
NPI 1386914836 · Addiction (Substance Use Disorder) Counselor · Wallingford, CT
Marshall Rosier, MS, LADC, CAC, MATS is a Addiction (Substance Use Disorder) Counselor provider in Wallingford, CT (NPI 1386914836).
Provider details
- NPI number
- 1386914836
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- MS, LADC, CAC, MATS
- Sex
- Male
- Sole proprietor
- Yes
- License
- 726 (CT)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
- 2011-12-30
- Last updated
- 2011-12-30
Frequently asked questions
- What is Marshall Rosier's NPI number?
- Marshall Rosier's National Provider Identifier (NPI) is 1386914836, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marshall Rosier's specialty?
- Marshall Rosier is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Marshall Rosier located?
- Marshall Rosier's practice location on file with NPPES is 100 S Turnpike Rd, Wallingford, CT 06492-4341.
- What is Marshall Rosier's phone number?
- The practice phone number listed in the NPPES registry for Marshall Rosier is (203) 675-8328.
- Is Marshall Rosier's NPI active?
- Yes — Marshall Rosier's NPI (1386914836) is active in the NPPES registry as of the last update on 2011-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.