IndividualActive
Marissa Costello
NPI 1255814778 · Social Worker · Brooklyn, NY
Marissa Costello is a Social Worker provider in Brooklyn, NY (NPI 1255814778).
Provider details
- NPI number
- 1255814778
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(61/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
9201 4th Ave
1st Floor
Brooklyn, NY 11209
Phone: (718) 232-8600
Street-level locationGet directions
Mailing address
9201 4th Ave Ste 1
Brooklyn, NY 11209-7066
Registry dates
- Enumerated
- 2018-09-11
- Last updated
- 2018-09-11
Frequently asked questions
- What is Marissa Costello's NPI number?
- Marissa Costello's National Provider Identifier (NPI) is 1255814778, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Costello's specialty?
- Marissa Costello is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Marissa Costello located?
- Marissa Costello's practice location on file with NPPES is 9201 4th Ave, Brooklyn, NY 11209.
- What is Marissa Costello's phone number?
- The practice phone number listed in the NPPES registry for Marissa Costello is (718) 232-8600.
- Is Marissa Costello's NPI active?
- Yes — Marissa Costello's NPI (1255814778) is active in the NPPES registry as of the last update on 2018-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.