MICHAEL E FLISAK MD
NPI 1427032267
Radiology - Diagnostic Radiology in Oak Lawn, IL
About Michael E Flisak Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL E FLISAK MD (NPI 1427032267) is an individual diagnostic radiology provider in Oak Lawn, Illinois, licensed in Illinois (036057388) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Franciscan Health Michigan City, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (1977).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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 E Flisak 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
3Medicare enrollment records show Michael Flisak reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Olympia Fields, IL 60461
- Reassigned Medicare billing, Illinois enrollment
- 228 clinicians in this Medicare group
Indianapolis, IN 46260
- Reassigned Medicare billing, Illinois, Indiana and Michigan enrollments
- 83 clinicians in this Medicare group
Owensboro, KY 42303
- Reassigned Medicare billing, Illinois enrollment
- 24 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 17
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Franciscan Health Michigan City
Acute Care Hospitals · Michigan City, INSt Mary Medical Center Inc
Acute Care Hospitals · Hobart, INFranciscan Health Dyer
Acute Care Hospitals · Dyer, INFranciscan Health Crown Point
Acute Care Hospitals · Crown Point, INFranciscan Health Munster
Acute Care Hospitals · Munster, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60453 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.
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.
OAK LAWN, IL 60453
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 Flisak's NPI number?
The NPI number for Michael Flisak is 1427032267. It was assigned to this individual provider in the NPPES registry on December 5, 2005.
Where is Michael Flisak located?
Michael Flisak practices at 4440 W 95th St, Oak Lawn, IL 60453. The listed phone number is (708) 684-5520.
What is Michael Flisak's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Michael Flisak enrolled in Medicare?
Yes. Michael Flisak 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 Flisak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Flisak reassigns Medicare benefits to 3 organizations: Specialists In Medical Imaging Sc (Olympia Fields, IL), Imaging Associates Of Indiana, PC (Indianapolis, IN) and Louisville Radiology Imaging Consultants, PLLC (Owensboro, KY). 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 Flisak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Flisak accept?
Health plans from Anthem Blue Cross and Blue Shield list Michael Flisak 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 Flisak affiliated with any hospitals?
According to CMS data, Michael Flisak is affiliated with Franciscan Health Michigan City, St Mary Medical Center Inc, Franciscan Health Dyer, Franciscan Health Crown Point and Franciscan Health Munster.
When was this NPI record last updated?
The NPPES record for Michael Flisak was last updated on April 3, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.