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MS. ELLEN DEWEERDT LCSW
NPI 1508078106
Social Worker in West Islip, NY

Active since May 04, 2007PECOS EnrolledAccepts Medicare Assignment
400 MONTAUK HIGHWAY, SUITE 114, WEST ISLIP, NY 11795(631) 321-1221 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ms. Ellen Deweerdt Lcsw NPPES

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

MS. ELLEN DEWEERDT LCSW (NPI 1508078106) is an individual social worker in West Islip, New York, licensed in New York (0364981) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1986).

NPPES Registry Identity

NPI1508078106
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameMS. ELLEN DEWEERDTCredential: LCSW
Location Address400 MONTAUK HIGHWAY, SUITE 114West Islip, NY 11795
Mailing Address9 Oak RoadHuntington, NY 11743-1955 · (631) 385-8734
Phone(631) 321-1221
Sole ProprietorNo
Medical School CMSOtherGraduated 1986
Enumeration DateMay 4, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1508078106 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in NY · 0364981
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.
400 MONTAUK HIGHWAY, West Islip, NY 11795
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Other Identifiers 1

Medicare ID-Type UnspecifiedN8K971NY

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Ellen Deweerdt Lcsw 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 ID840356598
PECOS Enrollment IDI20090304000280
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.

Other Providers at the Same Location NPPES

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

DR. HELEN G MEYERS PHD
Psychologist (Clinical)
400 MONTAUK HIGHWAY, SUITE 110
WEST ISLIP, NY 11795
Suffolk County (631) 669-1146

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 Ellen Deweerdt's NPI number?

The NPI number for Ellen Deweerdt is 1508078106. It was assigned to this individual provider in the NPPES registry on May 4, 2007.

Where is Ellen Deweerdt located?

Ellen Deweerdt practices at 400 Montauk Highway Suite 114, West Islip, NY 11795. The listed phone number is (631) 321-1221.

What is Ellen Deweerdt's specialty?

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

Is Ellen Deweerdt enrolled in Medicare?

Yes. Ellen Deweerdt 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.

What insurance does Ellen Deweerdt accept?

Health plans from Providence Health Plan list Ellen Deweerdt as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ellen Deweerdt was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.