IndividualActive
Cathy O'Sullivan, LMSW
NPI 1407145246 · Social Worker · Brooklyn, NY
Cathy O'Sullivan, LMSW is a Social Worker provider in Brooklyn, NY (NPI 1407145246).
Provider details
- NPI number
- 1407145246
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 077418 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(82/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
394 Hendrix St
Brooklyn, NY 11207-3611
Phone: (718) 485-2100
Fax: (718) 485-2269
Street-level locationGet directions
Mailing address
5403 69th St
Maspeth, NY 11378-1804
Registry dates
- Enumerated
- 2011-04-01
- Last updated
- 2011-04-01
Frequently asked questions
- What is Cathy O'Sullivan's NPI number?
- Cathy O'Sullivan's National Provider Identifier (NPI) is 1407145246, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cathy O'Sullivan's specialty?
- Cathy O'Sullivan is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Cathy O'Sullivan located?
- Cathy O'Sullivan's practice location on file with NPPES is 394 Hendrix St, Brooklyn, NY 11207-3611.
- What is Cathy O'Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Cathy O'Sullivan is (718) 485-2100.
- Is Cathy O'Sullivan's NPI active?
- Yes — Cathy O'Sullivan's NPI (1407145246) is active in the NPPES registry as of the last update on 2011-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.