MICHELLE ANTOSIEWICZ
NPI 1962527523
Social Worker - Clinical in Mount Pleasant, WI
About Michelle Antosiewicz NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHELLE ANTOSIEWICZ (NPI 1962527523) is an individual clinical provider in Mount Pleasant, Wisconsin, licensed in Wisconsin (7019) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS, is affiliated with Ascension All Saints Hospital, and is a graduate of Other (1998).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
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
Michelle Antosiewicz 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.
Medicare Billing Reassignments
2Medicare enrollment records show Michelle Antosiewicz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Racine, WI 53405
- Reassigned Medicare billing, Wisconsin enrollment
- 11 clinicians in this Medicare group
Milwaukee, WI 53211
- Reassigned Medicare billing, Wisconsin enrollment
- 1,343 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension All Saints Hospital
Acute Care Hospitals · Racine, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53405 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Michelle Antosiewicz's NPI number?
The NPI number for Michelle Antosiewicz is 1962527523. It was assigned to this individual provider in the NPPES registry on March 20, 2007.
Where is Michelle Antosiewicz located?
Michelle Antosiewicz practices at 3805B Spring St # 20, Mount Pleasant, WI 53405. The listed phone number is (262) 687-2222.
What is Michelle Antosiewicz's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Michelle Antosiewicz enrolled in Medicare?
Yes. Michelle Antosiewicz 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 organizations bill Medicare for Michelle Antosiewicz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Antosiewicz reassigns Medicare benefits to 2 organizations: Ascension All Saints Hospital, Inc (Racine, WI) and Ascension Medical Group-Southeast Wisconsin Inc (Milwaukee, WI). 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 Michelle Antosiewicz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michelle Antosiewicz accept?
Health plans from Anthem Blue Cross and Blue Shield and Network Health list Michelle Antosiewicz 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.
Is Michelle Antosiewicz affiliated with any hospitals?
According to CMS data, Michelle Antosiewicz is affiliated with Ascension All Saints Hospital.
When was this NPI record last updated?
The NPPES record for Michelle Antosiewicz was last updated on March 15, 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.