Quick answers
- Which hospitals does Michael N. Fortsas work at?
- Medicare's official clinician data lists Michael N. Fortsas at 5 hospitals: Advocate Condell Medical Center, Advocate Good Shepherd Hospital, Advocate Sherman Hospital, Aurora Medical Center Oshkosh and Northwestern Medicine McHenry. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael N. Fortsas see patients?
- Medicare's clinician data lists 2 practice locations, including Fond Du Lac, WI and McHenry, IL. Call before your visit to confirm the address.
- What is Michael N. Fortsas's specialty?
- Medicare lists Interventional Cardiology as the primary specialty.
- Does Michael N. Fortsas accept Medicare assignment?
- Yes. Medicare's clinician data says Michael N. Fortsas 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 N. Fortsas?
- (920) 907-4800, as listed in official Medicare / NPI Registry data.
- What is Michael N. Fortsas's NPI number?
- 1497764518. 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 N. Fortsas works
Medicare's Facility Affiliation Data lists Michael N. Fortsas at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Advocate Condell Medical CenterLibertyville, IL · Acute Care Hospital · CCN 140202
- Advocate Good Shepherd HospitalBarrington, IL · Acute Care Hospital · CCN 140291
- Advocate Sherman HospitalElgin, IL · Acute Care Hospital · CCN 140030
- Aurora Medical Center OshkoshOshkosh, WI · Acute Care Hospital · CCN 520198
- Northwestern Medicine McHenryMcHenry, IL · Acute Care Hospital · CCN 140116
Practice locations
Addresses where Michael N. Fortsas is enrolled with Medicare (CMS data updated 2026-10-02).
- 210 Wisconsin American DrFond Du Lac, WI 54937 (920) 907‑4800
- 633 Ridgeview DrMcHenry, IL 60050 (815) 344‑0621
Group practices
Medicare enrollment lists Michael N. Fortsas as a member of these groups (CMS data updated 2026-10-02).
- Aurora Medical Group, Inc.3,813 clinicians in the group
- Advocate Health and Hospitals Corporation3,118 clinicians in the group
Specialties
- Interventional Cardiologyprimary
Other interventional cardiologists in Fond Du Lac
Clinicians with the same Medicare primary specialty in Fond Du Lac, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1497764518 |
| 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