Gabrielle O'Brien, LMSW
NPI 1235375825 · Clinical Social Worker · Brooklyn, NY
Gabrielle O'Brien, LMSW is a Clinical Social Worker provider in Brooklyn, NY (NPI 1235375825).
Provider details
- NPI number
- 1235375825
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 081289 (NY)
Specialties & taxonomies
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
17 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
- 2009-01-02
- Last updated
- 2014-10-21
Frequently asked questions
- What is Gabrielle O'Brien's NPI number?
- Gabrielle O'Brien's National Provider Identifier (NPI) is 1235375825, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gabrielle O'Brien's specialty?
- Gabrielle O'Brien is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Gabrielle O'Brien located?
- Gabrielle O'Brien's practice location on file with NPPES is 406 19th St, Brooklyn, NY 11215-6107.
- What is Gabrielle O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Gabrielle O'Brien is (516) 523-8872.
- Is Gabrielle O'Brien's NPI active?
- Yes — Gabrielle O'Brien's NPI (1235375825) is active in the NPPES registry as of the last update on 2014-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.