IndividualActive
Thomas Mariani, MSW
NPI 1891570438 · Social Worker · Brooklyn, NY
Thomas Mariani, MSW is a Social Worker provider in Brooklyn, NY (NPI 1891570438).
Provider details
- NPI number
- 1891570438
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(51/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
83% 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
800 Poly Pl
Brooklyn, NY 11209-7104
Phone: (718) 836-6600
Street-level locationGet directions
Mailing address
90 Bay Street Lndg Apt 2e
Staten Island, NY 10301-2659
Registry dates
- Enumerated
- 2023-08-30
- Last updated
- 2023-09-07
- Certified
- 2023-09-07
Frequently asked questions
- What is Thomas Mariani's NPI number?
- Thomas Mariani's National Provider Identifier (NPI) is 1891570438, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Mariani's specialty?
- Thomas Mariani is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Thomas Mariani located?
- Thomas Mariani's practice location on file with NPPES is 800 Poly Pl, Brooklyn, NY 11209-7104.
- What is Thomas Mariani's phone number?
- The practice phone number listed in the NPPES registry for Thomas Mariani is (718) 836-6600.
- Is Thomas Mariani's NPI active?
- Yes — Thomas Mariani's NPI (1891570438) is active in the NPPES registry as of the last update on 2023-09-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.