IndividualActive
Mark Adar, LMSW
NPI 1376284687 · Social Worker · Brooklyn, NY
Mark Adar, LMSW is a Social Worker provider in Brooklyn, NY (NPI 1376284687).
Provider details
- NPI number
- 1376284687
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 069912-01 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(60/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
5420 15th Ave
Brooklyn, NY 11219-4352
Phone: (347) 356-0241
Street-level locationGet directions
Mailing address
2233 Nostrand Ave
Brooklyn, NY 11210-3045
Registry dates
- Enumerated
- 2022-04-02
- Last updated
- 2022-04-02
- Certified
- 2022-04-02
Frequently asked questions
- What is Mark Adar's NPI number?
- Mark Adar's National Provider Identifier (NPI) is 1376284687, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Adar's specialty?
- Mark Adar is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Mark Adar located?
- Mark Adar's practice location on file with NPPES is 5420 15th Ave, Brooklyn, NY 11219-4352.
- What is Mark Adar's phone number?
- The practice phone number listed in the NPPES registry for Mark Adar is (347) 356-0241.
- Is Mark Adar's NPI active?
- Yes — Mark Adar's NPI (1376284687) is active in the NPPES registry as of the last update on 2022-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.