MICHAEL PELISKA MD
NPI 1861923765
Internal Medicine - Critical Care Medicine in West Allis, WI
About Michael Peliska Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL PELISKA MD (NPI 1861923765) is an individual critical care medicine provider in West Allis, Wisconsin, licensed in Wisconsin (70830-20) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with Aurora St Lukes Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Michael Peliska Md 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 Michael Peliska reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Allis, WI 53227
- Reassigned Medicare billing, Wisconsin enrollment
- 4,609 clinicians in this Medicare group
Cleveland, OH 44106
- Reassigned Medicare billing, Ohio enrollment
- 3,958 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Aurora St Lukes Medical Center
Acute Care Hospitals · Milwaukee, WIWest Allis Memorial Hospital
Acute Care Hospitals · West Allis, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53227 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
WEST ALLIS, WI 53227
WEST ALLIS, WI 53227
WEST ALLIS, WI 53227
WEST ALLIS, WI 53227
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 Michael Peliska's NPI number?
The NPI number for Michael Peliska is 1861923765. It was assigned to this individual provider in the NPPES registry on March 22, 2017.
Where is Michael Peliska located?
Michael Peliska practices at 8901 W Lincoln Ave, West Allis, WI 53227. The listed phone number is (414) 328-6000.
What is Michael Peliska's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Michael Peliska enrolled in Medicare?
Yes. Michael Peliska 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 Michael Peliska's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Peliska reassigns Medicare benefits to 2 organizations: Aurora Medical Group, Inc. (West Allis, WI) and University Hospitals Medical Group Inc (Cleveland, OH). 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 Michael Peliska's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Peliska accept?
Health plans from Aspirus Health Plan, CareSource and CareSource (Common Ground Healthcare) list Michael Peliska 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 Michael Peliska affiliated with any hospitals?
According to CMS data, Michael Peliska is affiliated with Aurora St Lukes Medical Center and West Allis Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Michael Peliska was last updated on April 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Michael Peliska, MD · NPI 1861923765
Critical Care Medicine physician in West Allis, Wisconsin. Individual provider, active in the CMS NPPES registry since March 22, 2017.
## Identity
- **NPI:** 1861923765 (Entity type: Individual)
- **Enumerated:** March 22, 2017
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 70830-20 (Wisconsin)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 8901 W LINCOLN AVE, West Allis, WI 53227-2409
- **Phone:** (414) 328-6000
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Aurora Medical Group, Inc. (NPI 1457592735, West Allis, WI); University Hospitals Medical Group Inc (NPI 1669499414, Cleveland, OH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** April 28, 2026
- **Other identifiers:** Medicaid 100087873 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1861923765) · Data from the CMS NPPES public registry.