Deborah Mar, LCSW
NPI 1255500955 · Clinical Social Worker · Derby, CT
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Deborah Mar, LCSW is a Clinical Social Worker provider in Derby, CT (NPI 1255500955).
Provider details
- NPI number
- 1255500955
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 004874 (CT)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
18 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
- 2008-02-27
- Last updated
- 2022-06-29
- Certified
- 2022-06-29
Frequently asked questions
- What is Deborah Mar's NPI number?
- Deborah Mar's National Provider Identifier (NPI) is 1255500955, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Deborah Mar's specialty?
- Deborah Mar is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Deborah Mar located?
- Deborah Mar's practice location on file with NPPES is Griffin Hospital, Derby, CT 06418.
- What is Deborah Mar's phone number?
- The practice phone number listed in the NPPES registry for Deborah Mar is (203) 732-7550.
- Does Deborah Mar accept Medicare?
- Deborah Mar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Deborah Mar's NPI active?
- Yes — Deborah Mar's NPI (1255500955) is active in the NPPES registry as of the last update on 2022-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.