IndividualActive
Mary Sullivan, LCSW
NPI 1174551030 · Clinical Social Worker · Cos Cob, CT
Mary Sullivan, LCSW is a Clinical Social Worker provider in Cos Cob, CT (NPI 1174551030).
Provider details
- NPI number
- 1174551030
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 005814 (CT)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(91/100 index)
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
132 E Putnam Ave
Suite H
Cos Cob, CT 06807-2744
Phone: (203) 962-2209
Fax: (203) 962-2209
Street-level locationGet directions
Mailing address
132 E Putnam Ave
Cos Cob, CT 06807-2744
Registry dates
- Enumerated
- 2006-06-29
- Last updated
- 2011-06-06
Frequently asked questions
- What is Mary Sullivan's NPI number?
- Mary Sullivan's National Provider Identifier (NPI) is 1174551030, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Sullivan's specialty?
- Mary Sullivan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mary Sullivan located?
- Mary Sullivan's practice location on file with NPPES is 132 E Putnam Ave, Cos Cob, CT 06807-2744.
- What is Mary Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Mary Sullivan is (203) 962-2209.
- Is Mary Sullivan's NPI active?
- Yes — Mary Sullivan's NPI (1174551030) is active in the NPPES registry as of the last update on 2011-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.