IndividualActive
Alexander Leduc, LMSW
NPI 1508132275 · Clinical Social Worker · Brooklyn, NY
Alexander Leduc, LMSW is a Clinical Social Worker provider in Brooklyn, NY (NPI 1508132275).
Provider details
- NPI number
- 1508132275
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 080188 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(80/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
450 17th St
Brooklyn, NY 11215-6203
Phone: (646) 418-3519
Street-level locationGet directions
Mailing address
450 17th St
Brooklyn, NY 11215
Registry dates
- Enumerated
- 2012-03-28
- Last updated
- 2013-03-12
Frequently asked questions
- What is Alexander Leduc's NPI number?
- Alexander Leduc's National Provider Identifier (NPI) is 1508132275, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Leduc's specialty?
- Alexander Leduc is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Alexander Leduc located?
- Alexander Leduc's practice location on file with NPPES is 450 17th St, Brooklyn, NY 11215-6203.
- What is Alexander Leduc's phone number?
- The practice phone number listed in the NPPES registry for Alexander Leduc is (646) 418-3519.
- Is Alexander Leduc's NPI active?
- Yes — Alexander Leduc's NPI (1508132275) is active in the NPPES registry as of the last update on 2013-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.