David Marder
NPI 1144867342 · Social Worker · Uniondale, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Marder is a Social Worker provider in Uniondale, NY (NPI 1144867342).
Provider details
- NPI number
- 1144867342
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
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
6 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2019-12-06
- Last updated
- 2019-12-06
Frequently asked questions
- What is David Marder's NPI number?
- David Marder's National Provider Identifier (NPI) is 1144867342, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Marder's specialty?
- David Marder is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is David Marder located?
- David Marder's practice location on file with NPPES is 60 Charles Lindbergh Blvd, Uniondale, NY 11553-3653.
- What is David Marder's phone number?
- The practice phone number listed in the NPPES registry for David Marder is (516) 227-8255.
- Does David Marder accept Medicare?
- David Marder is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Marder's NPI active?
- Yes — David Marder's NPI (1144867342) is active in the NPPES registry as of the last update on 2019-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.