Quick answers
- Which hospitals does Michael Flisak work at?
- Medicare's official clinician data lists Michael Flisak at 2 hospitals: Ascension All Saints Hospital and Ascension Columbia St Marys Hospital Milwaukee. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael Flisak see patients?
- Medicare's clinician data lists 1 practice location in Mount Pleasant, WI. Call before your visit to confirm the address.
- What is Michael Flisak's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Michael Flisak accept Medicare assignment?
- Yes. Medicare's clinician data says Michael Flisak accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Michael Flisak?
- (262) 687-8260, as listed in official Medicare / NPI Registry data.
- What is Michael Flisak's NPI number?
- 1548426943. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael Flisak works
Medicare's Facility Affiliation Data lists Michael Flisak at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension All Saints HospitalRacine, WI · Acute Care Hospital · CCN 520096
- Ascension Columbia St Marys Hospital MilwaukeeMilwaukee, WI · Acute Care Hospital · CCN 520051
Practice locations
Addresses where Michael Flisak is enrolled with Medicare (CMS data updated 2026-10-02).
- 3803 Spring St, Suite 410Mount Pleasant, WI 53405 (262) 687‑8260
Group practices
Medicare enrollment lists Michael Flisak as a member of this group (CMS data updated 2026-10-02).
- Ascension Medical Group-Southeast Wisconsin Inc545 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Wisconsin →
Other cardiologists in Mount Pleasant
Clinicians with the same Medicare primary specialty in Mount Pleasant, WI — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Midwestern University, Chicago College Of Osteopathic Med |
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1548426943 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians