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NPISignal

Individual Healthcare Provider

Michael Thomas Flisak, DO

NPI Record: ActiveInternal Medicine — Interventional Cardiology
NPI1548426943
Michigan City, Indiana

Provider's NPPES record last updated: March 5, 2019

Overview

Entity Type
Individual Healthcare Provider
NPI
1548426943
Primary Specialty
Internal Medicine — Interventional Cardiology
Practice Location
Michigan City, Indiana
Sole Proprietor
No

Federal Screening

NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.

List of Excluded Individuals/Entities (LEIE)

HHS Office of Inspector General

No potential match identified

No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.

Source data
September 10, 2026
Records indexed
84,001
Screened
Sep 20, 2026, 2:21 PM UTC

This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.

SAM.gov Exclusions

U.S. General Services Administration

Not checked

SAM.gov Exclusions was not checked.

SAM.gov screening is not configured on this deployment. No SAM check has been performed.

Screened
Not checked

This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.

This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.

Run a name-based screening

Searches OIG LEIE and SAM.gov by name and reviews every potential match.

Specialties & Taxonomies

  • Internal Medicine

    Interventional Cardiology

    Allopathic & Osteopathic Physicians

    Primary

    An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.

    Taxonomy code 207RI0011X
  • Internal Medicine

    Cardiovascular Disease

    Allopathic & Osteopathic Physicians

    An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

    Taxonomy code 207RC0000X

Provider-Reported License Information

Internal Medicine (Indiana)
02005248
Internal Medicine (Illinois)
036118827
Internal Medicine (Wisconsin)
55811
Internal Medicine (Illinois)
036118827
License numbers are reported by the provider to NPPES and are not independently verified by NPISignal against any state licensing board. Confirm current license status directly with the issuing state board.

Practice Locations

Practice Location

3500 Franciscan Way Ste 400

Michigan City, Indiana 46360-0021

Phone: (219) 878-8200

Additional Practice Location

13011 S 104th Ave

Suite 100

Palos Park, Illinois 60464-1506

Phone: (708) 478-3600

Fax: (708) 478-3553

Additional Practice Location

11560 S Kedzie Ave Ste 100

Merrionette Park, Illinois 60803-4517

Phone: (708) 824-1114

Fax: (708) 824-9341

Additional Practice Location

3231 Euclid Ave Ste 201

Berwyn, Illinois 60402-3472

Phone: (708) 783-2055

Fax: (708) 783-2181

Record Information

Enumeration Date
August 5, 2008
Provider's NPPES Record Last Updated
March 5, 2019
NPISignal NPPES Dataset
August 2026

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