ESTELLE ZAGA
NPI 1093233058
Social Worker in Brooklyn, NY

Active since August 30, 2017PECOS EnrolledAccepts Medicare Assignment
1955 MCDONALD AVE, BROOKLYN, NY 11223(718) 787-1600 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 21, 2022, Aug 30, 2017 (2 updates tracked since 2017).

About Estelle Zaga NPPES

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

ESTELLE ZAGA (NPI 1093233058) is an individual social worker in Brooklyn, New York, licensed in New York (100061) and active in the NPI registry since August 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2014).

NPPES Registry Identity

NPI1093233058
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameESTELLE ZAGA
Location Address1955 MCDONALD AVEBrooklyn, NY 11223-1805
Mailing Address3841 Bedford AveBrooklyn, NY 11229-2411 · (646) 549-7472
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateAugust 30, 2017
Last NPPES UpdateJuly 21, 20222 updates tracked since enumeration
✔ NPI 1093233058 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 · 100061
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.
1955 MCDONALD AVE, Brooklyn, NY 11223

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

Estelle Zaga 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 ID9436689163
PECOS Enrollment IDI20250211002559
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 Estelle Zaga reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Multi-Specialty
445 KINGS HWY STE 2
Brooklyn, NY 11223
  • Reassigned Medicare billing, New York enrollment
  • 306 clinicians in this Medicare group

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.

Social Worker
1955 MCDONALD AVE
BROOKLYN, NY 11223
Social Worker
1955 MCDONALD AVE
BROOKLYN, NY 11223
Social Worker (Clinical)
1955 MCDONALD AVE
BROOKLYN, NY 11223
Counselor (Mental Health)
1955 MCDONALD AVE
BROOKLYN, NY 11223
Art Therapist
1955 MCDONALD AVE
BROOKLYN, NY 11223
Counselor (Mental Health)
1955 MCDONALD AVE
BROOKLYN, NY 11223
Social Worker
1955 MCDONALD AVE
BROOKLYN, NY 11223
Social Worker
1955 MCDONALD AVE
BROOKLYN, NY 11223

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 Estelle Zaga's NPI number?

The NPI number for Estelle Zaga is 1093233058. It was assigned to this individual provider in the NPPES registry on August 30, 2017.

Where is Estelle Zaga located?

Estelle Zaga practices at 1955 Mcdonald Ave, Brooklyn, NY 11223. The listed phone number is (718) 787-1600.

What is Estelle Zaga's specialty?

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

Is Estelle Zaga enrolled in Medicare?

Yes. Estelle Zaga 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 Estelle Zaga's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Estelle Zaga reassigns Medicare benefits to Interborough Developmental And Consultation Center, Inc. (Brooklyn, 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 Estelle Zaga'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 Estelle Zaga was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.