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DAVID MARDER
NPI 1144867342
Social Worker in Uniondale, NY

Active since December 06, 2019PECOS EnrolledAccepts Medicare Assignment
60 CHARLES LINDBERGH BLVD, UNIONDALE, NY 11553(516) 227-8255 Get Directions Write a Review

NPPES record last updated: December 6, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About David Marder NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DAVID MARDER (NPI 1144867342) is an individual social worker in Uniondale, New York and active in the NPI registry since December 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1144867342
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameDAVID MARDER
Location Address60 CHARLES LINDBERGH BLVDUniondale, NY 11553-3653
Mailing Address91 Guy Lombardo AveFreeport, NY 11520-3731
Phone(516) 227-8255
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateDecember 6, 2019
✔ NPI 1144867342 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
60 CHARLES LINDBERGH BLVD, Uniondale, NY 11553
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Other Identifiers 1

Medicaid1144867342NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

David Marder is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5193194900
PECOS Enrollment IDI20221216001052
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show David Marder reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Central Nassau Guidance & Counseling Services, Inc.
5.8 mi
Community/Behavioral Health
950 S OYSTER BAY RD
Hicksville, NY 11801
  • Reassigned Medicare billing, New York enrollment
  • 77 clinicians in this Medicare group
NPI 1114928462 (516) 822-6111

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. YOLANDA FERNANDEZ BS
Case Manager/Care Coordinator
60 CHARLES LINDBERGH BLVD
UNIONDALE, NY 11553
Nassau County (516) 227-8633
MRS. ANA MARIA SALGADO MSW
Case Manager/Care Coordinator
60 CHARLES LINDBERGH BLVD, SUITE 100
UNIONDALE, NY 11553
Nassau County (516) 227-8636
MRS. DENISE BONNIE TEDESCHI
Case Manager/Care Coordinator
60 CHARLES LINDBERGH BLVD, SUITE 100
UNIONDALE, NY 11553
Nassau County (516) 227-8629
MS. ELISE MARIA MOLLOY PHN-1
Case Manager/Care Coordinator
60 CHARLES LINDBERGH BLVD, SUITE 100
UNIONDALE, NY 11553
Nassau County (516) 228-8687
MRS. HARRIET K BASSEN RN
Case Manager/Care Coordinator
60 CHARLES LINDBERGH BLVD, SUITE 100
UNIONDALE, NY 11553
Nassau County (516) 227-8643
STEPHEN CLACHERTY RN
Registered Nurse (Psychiatric/Mental Health)
60 CHARLES LINDBERGH BLVD, SUITE 260
UNIONDALE, NY 11553
Nassau County (516) 227-1499
ABIGAIL STERNBACH
Case Manager/Care Coordinator
60 CHARLES LINDBERGH BLVD, SUITE 100
UNIONDALE, NY 11553
Nassau County (516) 227-8642
MRS. MICHELLE LYNN FISCHGRUND
Case Manager/Care Coordinator
60 CHARLES LINDBERGH BLVD, SUITE 100
UNIONDALE, NY 11553
Nassau County (516) 227-8632

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is David Marder's NPI number?

The NPI number for David Marder is 1144867342. It was assigned to this individual provider in the NPPES registry on December 6, 2019.

Where is David Marder located?

David Marder practices at 60 Charles Lindbergh Blvd, Uniondale, NY 11553. The listed phone number is (516) 227-8255.

What is David Marder's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Is David Marder enrolled in Medicare?

Yes. David Marder is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for David Marder's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Marder reassigns Medicare benefits to Central Nassau Guidance & Counseling Services, Inc. (Hicksville, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for David Marder's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for David Marder was last updated on December 6, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.