IndividualActive
Mary Mahoney, LCSW
NPI 1295257327 · Clinical Social Worker · Brooklyn, NY
Mary Mahoney, LCSW is a Clinical Social Worker provider in Brooklyn, NY (NPI 1295257327).
Provider details
- NPI number
- 1295257327
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 084917-1 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(74/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
116 Clinton St
Brooklyn, NY 11201-4204
Phone: (812) 887-5397
Street-level locationGet directions
Mailing address
116 Clinton St
Brooklyn, NY 11201-4204
Additional practice locations (1)
- 9201 4th AveBrooklyn, NY 11209-7065Phone: (718) 748-1234Fax: (718) 228-8819
Registry dates
- Enumerated
- 2017-07-11
- Last updated
- 2018-09-24
Frequently asked questions
- What is Mary Mahoney's NPI number?
- Mary Mahoney's National Provider Identifier (NPI) is 1295257327, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Mahoney's specialty?
- Mary Mahoney is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mary Mahoney located?
- Mary Mahoney's practice location on file with NPPES is 116 Clinton St, Brooklyn, NY 11201-4204.
- What is Mary Mahoney's phone number?
- The practice phone number listed in the NPPES registry for Mary Mahoney is (812) 887-5397.
- Is Mary Mahoney's NPI active?
- Yes — Mary Mahoney's NPI (1295257327) is active in the NPPES registry as of the last update on 2018-09-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.