MRS. MARIELLE WOOLF LCSW
NPI 1174131932
Social Worker in Scarsdale, NY

Active since July 17, 2020
14 HARWOOD CT STE 318, SCARSDALE, NY 10583(914) 472-2464 Get Directions Write a Review

NPPES record last updated: November 24, 2025. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Nov 24, 2025, May 8, 2025, Jul 17, 2020 (3 updates tracked since 2020).

About Mrs. Marielle Woolf Lcsw NPPES

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

MRS. MARIELLE WOOLF LCSW (NPI 1174131932) is an individual social worker in Scarsdale, New York, licensed in New York (109681) and active in the NPI registry since July 2020. She maintains a secondary practice location in Melville.

NPPES Registry Identity

NPI1174131932
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameMRS. MARIELLE WOOLFCredential: LCSW
Location Address14 HARWOOD CT STE 318Scarsdale, NY 10583-4120
Mailing Address11 Lyndon PlMelville, NY 11747-4254 · (516) 712-5900
Sole ProprietorYes
Enumeration DateJuly 17, 2020
Last NPPES UpdateNovember 24, 20253 updates tracked since enumeration
NPPES CertifiedNovember 24, 2025
NPI 1174131932 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 · 109681
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.
14 HARWOOD CT STE 318, Scarsdale, NY 10583

Other Names 1

Former Name (1)Marielle Erdheim Lcsw

Secondary Practice Location 1

Location 111 Lyndon PlMelville, NY 11747-4254 · Phone (516) 712-5900

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 2

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

Psychologist
14 HARWOOD CT STE 318
SCARSDALE, NY 10583
Psychologist (Clinical)
14 HARWOOD CT STE 318
SCARSDALE, NY 10583

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 Marielle Woolf's NPI number?

The NPI number for Marielle Woolf is 1174131932. It was assigned to this individual provider in the NPPES registry on July 17, 2020. The provider is also known as Marielle Erdheim Lcsw.

Where is Marielle Woolf located?

Marielle Woolf practices at 14 Harwood Ct Ste 318, Scarsdale, NY 10583. The listed phone number is (914) 472-2464.

What is Marielle Woolf's specialty?

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

When was this NPI record last updated?

The NPPES record for Marielle Woolf was last updated on November 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.