David Feder Lcsw PLLC
NPI 1639016918 · Clinical Social Worker · New York, NY
David Feder Lcsw PLLC is a Clinical Social Worker organization in New York, NY (NPI 1639016918).
Provider details
- NPI number
- 1639016918
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- David Feder, President(415) 676-1850
Specialties & taxonomies
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
Under 1 yr in 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
- 2026-05-04
- Last updated
- 2026-05-04
- Certified
- 2026-05-04
Frequently asked questions
- What is David Feder Lcsw PLLC's NPI number?
- David Feder Lcsw PLLC's National Provider Identifier (NPI) is 1639016918, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is David Feder Lcsw PLLC?
- David Feder Lcsw PLLC is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is David Feder Lcsw PLLC located?
- David Feder Lcsw PLLC's practice location on file with NPPES is 41 Union Sq W Ste 1523, New York, NY 10003-3250.
- What is David Feder Lcsw PLLC's phone number?
- The practice phone number listed in the NPPES registry for David Feder Lcsw PLLC is (415) 676-1850.
- Who is the authorized official for David Feder Lcsw PLLC?
- The authorized official listed on David Feder Lcsw PLLC's NPPES record is David Feder, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is David Feder Lcsw PLLC's NPI active?
- Yes — David Feder Lcsw PLLC's NPI (1639016918) is active in the NPPES registry as of the last update on 2026-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.