1. Home
  2. Directory
  3. Connecticut
  4. Ansonia
  5. Social Worker
  6. NPI Profile

MATTHEW PAUL STANIEWICZ LMSW
NPI 1770125734
Social Worker in Ansonia, CT

Active since October 11, 2019PECOS Enrolled
121 WAKELEE AVENUE, ACS, ANSONIA, CT 06401(203) 503-3650(203) 503-3659 Get Directions Write a Review

NPPES record last updated: October 11, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Matthew Paul Staniewicz Lmsw NPPES

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

MATTHEW PAUL STANIEWICZ LMSW (NPI 1770125734) is an individual social worker in Ansonia, Connecticut, licensed in Connecticut (4954) and active in the NPI registry since October 2019. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1770125734
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameMATTHEW PAUL STANIEWICZCredential: LMSW
Location Address121 WAKELEE AVENUE, ACSAnsonia, CT 06401-1198
Mailing Address400 Columbus Avenue, Credentialing SpecialistNew Haven, CT 06519-1233 · (203) 503-3000 · Fax (203) 503-3183
Phone(203) 503-3650
Fax(203) 503-3659
Sole ProprietorNo
Enumeration DateOctober 11, 2019
✔ NPI 1770125734 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 CT · 4954
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.
121 WAKELEE AVENUE, Ansonia, CT 06401
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Matthew Paul Staniewicz Lmsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

2

Medicare enrollment records show Matthew Staniewicz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cornell Scott Hill Health Corporation
8.4 mi
Federally Qualified Health Center (FQHC)
400-428 COLUMBUS AVENUE
New Haven, CT 06519
  • Reassigned Medicare billing, Connecticut enrollment
  • 468 clinicians in this Medicare group
NPI 1902921380 (203) 503-3000
State Of Connecticut
28 mi
Adult Mental Health
SILVER STREET, DUTTON HOME
Middletown, CT 06457
  • Reassigned Medicare billing, Connecticut enrollment
  • 62 clinicians in this Medicare group
NPI 1427074426 (860) 262-5224

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 2

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

MISS LAUREN EDNA KOPKA LCSW
Social Worker (Clinical)
121 WAKELEE AVENUE
ANSONIA, CT 06401
Naugatuck Valley Planning Region (203) 503-3652
AUDREY BAEHR LADC
Counselor (Addiction (Substance Use Disorder))
121 WAKELEE AVENUE, ACS
ANSONIA, CT 06401
Naugatuck Valley Planning Region (203) 503-3650

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 Matthew Staniewicz's NPI number?

The NPI number for Matthew Staniewicz is 1770125734. It was assigned to this individual provider in the NPPES registry on October 11, 2019.

Where is Matthew Staniewicz located?

Matthew Staniewicz practices at 121 Wakelee Avenue Acs, Ansonia, CT 06401. The listed phone number is (203) 503-3650.

What is Matthew Staniewicz's specialty?

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

Is Matthew Staniewicz enrolled in Medicare?

Yes. Matthew Staniewicz is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Matthew Staniewicz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Staniewicz reassigns Medicare benefits to 2 organizations: Cornell Scott Hill Health Corporation (New Haven, CT) and State Of Connecticut (Middletown, CT). Each 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 Matthew Staniewicz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Matthew Staniewicz accept?

Health plans from Anthem Blue Cross and Blue Shield list Matthew Staniewicz 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 Matthew Staniewicz was last updated on October 11, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.