Martin Winn, LCSW
NPI 1629293923 · Clinical Social Worker · New York, NY
Martin Winn, LCSW is a Clinical Social Worker provider in New York, NY (NPI 1629293923).
Provider details
- NPI number
- 1629293923
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- R039623-1 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
19 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
- 2007-04-13
- Last updated
- 2025-09-11
Frequently asked questions
- What is Martin Winn's NPI number?
- Martin Winn's National Provider Identifier (NPI) is 1629293923, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martin Winn's specialty?
- Martin Winn is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Martin Winn located?
- Martin Winn's practice location on file with NPPES is 380 Lafayette St Ste 201 # 11, New York, NY 10003-6906.
- What is Martin Winn's phone number?
- The practice phone number listed in the NPPES registry for Martin Winn is (212) 677-1147.
- Is Martin Winn's NPI active?
- Yes — Martin Winn's NPI (1629293923) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.