Michael Flisak, DO
NPI 1548426943 · Interventional Cardiology Physician · Michigan City, IN
Enrolled with Medicare as Practitioner - Interventional Cardiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Flisak, DO is a Interventional Cardiology Physician provider in Michigan City, IN (NPI 1548426943).
Provider details
- NPI number
- 1548426943
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 036118827 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
861 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 287 | $65 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 105 | $74 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 65 | $8 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 61 | $121 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 43 | $125 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 177 | 49 |
| Atorvastatin Calcium | 173 | 53 |
| Apixabanbrand: Eliquis | 151 | 30 |
| Metoprolol Succinate | 139 | 38 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 134 | 51 |
| Losartan Potassium | 115 | 36 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$919 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 3231 Euclid Ave Ste 201Berwyn, IL 60402-3472Phone: (708) 783-2055Fax: (708) 783-2181
- 11560 S Kedzie Ave Ste 100Merrionette Park, IL 60803-4517Phone: (708) 824-1114Fax: (708) 824-9341
- 13011 S 104th AveSuite 100Palos Park, IL 60464-1506Phone: (708) 478-3600Fax: (708) 478-3553
Registry dates
- Enumerated
- 2008-08-05
- Last updated
- 2019-03-05
Frequently asked questions
- What is Michael Flisak's NPI number?
- Michael Flisak's National Provider Identifier (NPI) is 1548426943, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Flisak's specialty?
- Michael Flisak is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Flisak located?
- Michael Flisak's practice location on file with NPPES is 3500 Franciscan Way Ste 400, Michigan City, IN 46360-0021.
- What is Michael Flisak's phone number?
- The practice phone number listed in the NPPES registry for Michael Flisak is (219) 878-8200.
- Does Michael Flisak accept Medicare?
- Michael Flisak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Flisak's NPI active?
- Yes — Michael Flisak's NPI (1548426943) is active in the NPPES registry as of the last update on 2019-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.