Mark Mcguinness, LCSW
NPI 1346342490 · Clinical Social Worker · Willimantic, CT
Mark Mcguinness, LCSW is a Clinical Social Worker provider in Willimantic, CT (NPI 1346342490).
Provider details
- NPI number
- 1346342490
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- 003411 (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
19 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
- 2006-09-01
- Last updated
- 2022-08-19
- Certified
- 2022-08-17
Frequently asked questions
- What is Mark Mcguinness's NPI number?
- Mark Mcguinness's National Provider Identifier (NPI) is 1346342490, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Mcguinness's specialty?
- Mark Mcguinness is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mark Mcguinness located?
- Mark Mcguinness's practice location on file with NPPES is 112 Mansfield Ave, Willimantic, CT 06226-2045.
- What is Mark Mcguinness's phone number?
- The practice phone number listed in the NPPES registry for Mark Mcguinness is (860) 456-9116.
- Is Mark Mcguinness's NPI active?
- Yes — Mark Mcguinness's NPI (1346342490) is active in the NPPES registry as of the last update on 2022-08-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.