MARYANN CHRZASZCZ D.O.
NPI 1750777470
Anesthesiology in Kenosha, WI
About Maryann Chrzaszcz D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARYANN CHRZASZCZ D.O. (NPI 1750777470) is an individual anesthesiology provider in Kenosha, Wisconsin, licensed in Wisconsin (73986) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS, is affiliated with Ascension Columbia St Mary's Hospital Milwaukee, and maintains 5 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 5
Other Identifiers 1
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
Maryann Chrzaszcz D.o. 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
7Medicare enrollment records show Maryann Chrzaszcz reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pleasant Prairie, WI 53158
- Reassigned Medicare billing, Wisconsin enrollment
- 210 clinicians in this Medicare group
Park Ridge, IL 60068
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Advocate Health And Hospitals Corporation
- 4,870 clinicians in this Medicare group
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 clinicians in this Medicare group
Elmhurst, IL 60126
- Reassigned Medicare billing, Illinois enrollment
- 81 clinicians in this Medicare group
Mokena, IL 60448
- Reassigned Medicare billing, Illinois enrollment
- 63 clinicians in this Medicare group
Carbondale, IL 62901
- Reassigned Medicare billing, Illinois enrollment
- 702 clinicians in this Medicare group
Arlington, TX 76006
- Reassigned Medicare billing, Illinois enrollment
- 735 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.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension Columbia St Mary's Hospital Milwaukee
Acute Care Hospitals · Milwaukee, WIAscension St Francis Hospital
Acute Care Hospitals · Milwaukee, WIAscension SE Wisconsin Hospital
Acute Care Hospitals · Milwaukee, WIOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Maryann Chrzaszcz's NPI number?
The NPI number for Maryann Chrzaszcz is 1750777470. It was assigned to this individual provider in the NPPES registry on April 9, 2015.
Where is Maryann Chrzaszcz located?
Maryann Chrzaszcz practices at 10400 75th St, Kenosha, WI 53142. The listed phone number is (262) 948-5600.
What is Maryann Chrzaszcz's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Maryann Chrzaszcz enrolled in Medicare?
Yes. Maryann Chrzaszcz 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 Maryann Chrzaszcz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maryann Chrzaszcz reassigns Medicare benefits to 7 organizations: Vituity-Wisconsin Anesthesia Sc (Pleasant Prairie, WI), Lutheran General Hospital (Park Ridge, IL), Northwestern Medical Faculty Foundation (Carol Stream, IL), Elmhurst Anesthesiologists, PC (Elmhurst, IL), Elite Anesthesia Providers, Ltd (Mokena, IL) and 2 more organizations, listed in the Medicare section above. 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 Maryann Chrzaszcz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Maryann Chrzaszcz affiliated with any hospitals?
According to CMS data, Maryann Chrzaszcz is affiliated with Ascension Columbia St Mary's Hospital Milwaukee, Ascension St Francis Hospital and Ascension SE Wisconsin Hospital.
When was this NPI record last updated?
The NPPES record for Maryann Chrzaszcz was last updated on December 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Maryann Chrzaszcz, D.O. · NPI 1750777470
Anesthesiology physician in Kenosha, Wisconsin. Individual provider, active in the CMS NPPES registry since April 9, 2015.
## Identity
- **NPI:** 1750777470 (Entity type: Individual)
- **Enumerated:** April 9, 2015
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 73986 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 10400 75TH ST, Kenosha, WI 53142-7884
- **Phone:** (262) 948-5600
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Vituity-Wisconsin Anesthesia Sc (NPI 1821831975, Pleasant Prairie, WI); Lutheran General Hospital (NPI 1801809306, Park Ridge, IL); Northwestern Medical Faculty Foundation (NPI 1346235314, Carol Stream, IL); Elmhurst Anesthesiologists, PC (NPI 1376586610, Elmhurst, IL); Elite Anesthesia Providers, Ltd (NPI 1679258388, Mokena, IL); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** At Still University Of Health Sciences, College Of Osteo Med, Kirksville, class of 2015
## Record status
- **NPPES last updated:** December 9, 2025
- **Other identifiers:** Medicaid 100104757 (WI)
---
Source: [NPI Profile](https://npiprofile.com/npi/1750777470) · Data from the CMS NPPES public registry.