Michael Thomas Flisak, DO
Interventional Cardiology Physician · Michigan City, IN
Michael Thomas Flisak, DO is an interventional cardiology physician with a practice address in Michigan City, Indiana, and NPI 1548426943, issued on Aug 5, 2008. Check the license (Indiana 02005248, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Michael Thomas Flisak
- Credential
- DO
- Primary taxonomy
- Interventional Cardiology Physician 207RI0011X
- License numbers
- 02005248 IN
036118827 IL
55811 WI
Self-reported in NPPES; status is on the state search - Practice location
- 3500 Franciscan Way Ste 400, Michigan City, IN 46360
- Phone
- (219) 878-8200
- Enumerated
- Aug 5, 2008
- Record last updated
- Mar 5, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (219) 877-8331
- Medicaid ID
- 300009476 IN
- Medicare enrollment
- Enrolled (PECOS I20111208000686); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 2005
- Entity
- Type 1 · individual
8 nearest interventional cardiology physician records → All 184 in Indiana → Look up another NPI →
Also registered at 3500 Franciscan Way Ste 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ali Azeem, MDCardiovascular Disease Physician1760975759
- Melissa Bartoszewicz, DNP, RN, FNP-BCFamily Nurse Practitioner1699183822
- Abul Basher, MDCardiovascular Disease Physician1891784500
- Kristen BryanFamily Nurse Practitioner1437099827
- Brian Dickover, M.D.Pulmonary Disease Physician1083699904
- Emma DownsOccupational Therapist1467308395
Verify Michael Thomas Flisak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 02005248Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average interventional cardiology physician in 2024
1,880 Medicare Part D claims for 289 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Furosemide177 claims
- Atorvastatin Calcium173 claims
- Eliquis151 claims
- Metoprolol Succinate139 claims
- Clopidogrel134 claims
- Losartan Potassium115 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $919.09
6 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 6,394 providers of this specialty with any payment received $7,062.29 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Ascension Medical Group-Southeast Wisconsin IncMount Pleasant, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Thomas Flisak among 184 interventional cardiology physician records in Indiana
Michael Thomas Flisak, DO is one of 184 interventional cardiology physician records with a practice address in Indiana. 95% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 61% of them.
- NPI issued2008 · 61% of these records are older, 32% newer
- In a Medicare fileYes · 95% of these records are
- In the CMS Doctors and Clinicians fileYes · 88% of these records are
- Graduated2005 · median 2002 among the 162 with a school on file
- Record last updated2019 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0011X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Cardiology Physician providers in Indiana
There are 184 interventional cardiology physician records in Indiana.
All 184 in Indiana → Every provider in Michigan City → Interventional Cardiology Physician nationwide →
The 8 interventional cardiology physician records with the nearest ZIP codes
- Sammi Dali, MDMichigan City, IN 463601407825722
- Naseer Nasser, M.D.Michigan City, IN 463601063436582
- Tansel Turgut, M.D.Michigan City, IN 463601104829886
- Omar Obaid, DOPortage, IN 463681902292915
- Setri Fugar, M.D.La Porte, IN 463501891175915
- Ajoe John Kattoor, MBBSLa Porte, IN 463501659754422
- Keith Atassi, M.D.Valparaiso, IN 463831336160753
- Anshuman Das, MDValparaiso, IN 463831518255124
Common questions
What is Michael Thomas Flisak, DO's NPI number?
Michael Thomas Flisak, DO's National Provider Identifier (NPI) is 1548426943, issued on Aug 5, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Michael Thomas Flisak, DO located?
The NPPES record lists a practice address at 3500 Franciscan Way Ste 400, Michigan City, IN, 46360. Phone: (219) 878-8200. Providers update this record themselves, so call before visiting.
How can I verify Michael Thomas Flisak, DO's license?
NPPES lists Indiana license number 02005248, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael Thomas Flisak, DO prescribe under Medicare Part D?
In 2024, Michael Thomas Flisak, DO had 1,880 Medicare Part D claims for 289 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.