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Darlene Brennan, LCSW
NPI 1598227217 · Clinical Social Worker · New York, NY
Darlene Brennan, LCSW is a Clinical Social Worker provider in New York, NY (NPI 1598227217).
Provider details
- NPI number
- 1598227217
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- R035463-1 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(66/100 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
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
36 W 44th St Ste 620
New York, NY 10036-8105
Phone: (212) 679-4567
Street-level locationGet directions
Mailing address
19 Danville Dr
Greenlawn, NY 11740-2810
Registry dates
- Enumerated
- 2019-04-02
- Last updated
- 2019-04-02
Frequently asked questions
- What is Darlene Brennan's NPI number?
- Darlene Brennan's National Provider Identifier (NPI) is 1598227217, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Darlene Brennan's specialty?
- Darlene Brennan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Darlene Brennan located?
- Darlene Brennan's practice location on file with NPPES is 36 W 44th St Ste 620, New York, NY 10036-8105.
- What is Darlene Brennan's phone number?
- The practice phone number listed in the NPPES registry for Darlene Brennan is (212) 679-4567.
- Is Darlene Brennan's NPI active?
- Yes — Darlene Brennan's NPI (1598227217) is active in the NPPES registry as of the last update on 2019-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.