Dr. Michael Thomas Flisak, DO
- Medicare services, 2024
- 861
- Medicare patients, 2024
- 564
- Part D claims, 2024
- 1,880
- Hospital affiliations
- 2
- Industry payments
- $20,901
- Practice address
- 3801 Spring St, Racine, WI 53405
- Practice phone
- Call (262) 687-4011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Flisak's professional email, personal email and mobile number
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Dr. Michael Thomas Flisak is an interventional cardiologist in Mount Pleasant, Wisconsin
Dr. Flisak practices at Ascension All Saints Hospital in Racine, Wisconsin, part of Ascension Health Alliance.
Dr. Flisak's NPI, 1548426943, was assigned on August 5, 2008. Dr. Flisak graduated from Midwestern University, Chicago College of Osteopathic Med in 2005. Dr. Flisak holds Indiana license 02005248.
- NPI
- 1548426943NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1153596705
- NPI enumeration date
- August 5, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (262) 687-4011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Thomas Flisak practices at Ascension All Saints Hospital in Racine, Wisconsin
Dr. Flisak's primary practice is Ascension All Saints Hospital, at 3801 Spring St, Racine, WI 53405 in Racine County. The practice phone is (262) 687-4011.
- Ascension All Saints Hospital3801 Spring St, Racine, WI 53405 · Racine CountyPhone(262) 687-4011
Source: Dmand AI Affiliation Data
Dr. Michael Thomas Flisak is affiliated with 3 sites of care and 6 medical groups
Dr. Flisak's primary practice is Ascension All Saints Hospital in Racine, Wisconsin, part of Ascension Health Alliance. The medical group on file is Ascension Medical Group. Dmand AI also links Dr. Flisak to 1 more hospital, 5 medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael Thomas Flisak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Flisak practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension All Saints Hospital | Available with a free account |
| +2 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Ascension Health Alliance and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Michael Thomas Flisak is one of 120 interventional cardiologists in Wisconsin
Interventional cardiology is Dr. Flisak's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dmand AI has Dr. Flisak's licenses on file in 3 states: Indiana, Illinois and Wisconsin.
Specialties and state licenses
- Interventional cardiology, IndianaPrimary
- Cardiovascular disease, Illinois
- Wisconsin license
Interventional cardiologists near Dr. Flisak
Counts of interventional cardiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Michael Thomas Flisak billed Medicare for 861 services in 2024
CMS data shows 861 Medicare services from Dr. Flisak across 15 procedure codes in 2024, for 564 Medicare patients. Medicare paid $43,032 for them.
Dr. Flisak's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,5782024: 54965%
- Office and hospital visits
- 2023: 7052024: 31256%
Where Dr. Flisak's Medicare services took place, 2024
- In an office475%
- In a facility81495%
Dr. Flisak compared with the Wisconsin median for interventional cardiologists, 2024
- Dr. Flisak
- Wisconsin median
- Medicare services
- 861vs 1,28733% below
- Medicare patients
- 564vs 67216% below
- Part D claims
- 1,709vs 1,8206% below
Medians across 120 interventional cardiologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Flisak's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Flisak and other interventional cardiologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Thomas Flisak treated 564 Medicare patients in 2024, average age 76
CMS counts 564 Medicare patients who saw Dr. Flisak in 2024. The largest group is 75 to 84, with 212 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.57, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Flisak's median patient age at 71, with 49% women.
Dr. Flisak's Medicare patients by age, 2024
Dr. Flisak's Medicare patients by sex, 2024
- Women29152%
- Men27348%
Chronic conditions among Dr. Flisak's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease55%
- Arthritis49%
- Heart failure45%
- Atrial fibrillation37%
- Chronic kidney disease36%
- Diabetes36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Flisak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael Thomas Flisak wrote 1,880 Medicare Part D claims in 2024
In 2024, Dr. Flisak wrote 1,880 Medicare Part D claims for 289 patients. 81% of them were for generic drugs. CMS names the drug for 1,709 of them, across 32 drugs with 11 or more claims each, at $261,493 in total drug cost. In 2023, CMS named 2,083 claims across 33 drugs.
Dr. Flisak's Part D claims by kind of drug, 2024
- Generic1,518 claims81%
- Brand-name362 claims19%
Dr. Flisak's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,0832024: 1,70918%
Drugs named by CMS: 32 in 2024, 33 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Michael Thomas Flisak ranks in the 55th percentile for coronary angioplasty and stenting in Medicare
Dr. Flisak accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 23 procedures of coronary angioplasty and stenting by Dr. Flisak, more than 55% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Flisak ranks in Medicare procedure volume
- Coronary angioplasty and stenting
- 55th percentile23 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Leg revascularization (restoring blood flow): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Michael Thomas Flisak received $20,901 in industry payments from 2016 to 2025
CMS Open Payments shows 378 general payments to Dr. Flisak from 46 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 35% of the total. Boston Scientific Corporation paid the most, $10,242.
General payments to Dr. Flisak by program year, 2016 to 2025
General payments to Dr. Flisak by kind, 2016 to 2025
- Food and beverage$7,35735%
- Speaker and faculty fees$6,50031%
- Travel and lodging$5,04724%
- Consulting fees$1,9509%
- Education$470%
Companies that paid Dr. Flisak the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael Thomas Flisak graduated from Midwestern University, Chicago College of Osteopathic Med
Dr. Flisak graduated from Midwestern University, Chicago College of Osteopathic Med in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael Thomas Flisak's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Michael Thomas Flisak
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Michael Thomas Flisak's NPI number?
Dr. Michael Thomas Flisak's NPI number is 1548426943. It was assigned on August 5, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Thomas Flisak?
Dr. Michael Thomas Flisak is an interventional cardiologist in Mount Pleasant, Wisconsin. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).
Where does Dr. Michael Thomas Flisak practice?
Dr. Flisak practices at 3801 Spring St, Racine, WI 53405. Dr. Flisak's primary practice is Ascension All Saints Hospital in Racine, Wisconsin, part of Ascension Health Alliance. Dmand AI also links Dr. Flisak to 1 hospital, 5 medical groups and 1 group practice or clinic.
What is Dr. Michael Thomas Flisak's office phone number?
The practice phone on file for Dr. Flisak is (262) 687-4011.
What is Dr. Michael Thomas Flisak's medical license number?
Dr. Flisak holds Indiana license 02005248, one of the licenses on file in 3 states.
Which states has Dr. Michael Thomas Flisak been licensed in?
Dmand AI has state licenses on file for Dr. Flisak in Indiana, Illinois and Wisconsin.
Which hospitals is Dr. Michael Thomas Flisak affiliated with?
Dr. Flisak practices at Ascension All Saints Hospital in Racine, Wisconsin. Dmand AI links Dr. Flisak to 1 more hospital.
What medical group is Dr. Michael Thomas Flisak part of?
Dr. Flisak is linked to Ascension Medical Group. Dmand AI links Dr. Flisak to 5 more medical groups.
Does Dr. Michael Thomas Flisak accept Medicare?
Yes. CMS data shows Dr. Flisak billed Medicare for 861 services in 2024, and Dr. Flisak accepts Medicare assignment.
How many Medicare patients does Dr. Michael Thomas Flisak see?
CMS counts 564 Medicare patients who saw Dr. Flisak in 2024, with an average age of 76.
Show 5 more questionsShow fewer questions
What services does Dr. Michael Thomas Flisak bill to Medicare?
In 2024, Dr. Flisak's most billed Medicare services were heart test or procedure (93306), hospital inpatient care (99232) and heart test or procedure (93010).
Where did Dr. Michael Thomas Flisak go to medical school?
Dr. Flisak graduated from Midwestern University, Chicago College of Osteopathic Med in 2005.
What drugs does Dr. Michael Thomas Flisak prescribe most?
In 2024 Medicare Part D data, Dr. Flisak's most prescribed drugs by claims were Furosemide, Atorvastatin Calcium and Eliquis.
Has Dr. Michael Thomas Flisak received payments from drug or device companies?
CMS Open Payments shows $20,901 in general payments to Dr. Flisak from 46 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Michael Thomas Flisak been practicing?
Dr. Flisak graduated from medical school in 2005, 21 years ago.
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