Quick answers
- Which hospitals does Mark D. Weissman work at?
- Medicare's official clinician data lists Mark D. Weissman at 3 hospitals: Aurora Medical Center Bay Area, Thedacare Medical Center - Shawano and Thedacare Medical Center-Waupaca. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark D. Weissman see patients?
- Medicare's clinician data lists 3 practice locations, including Shawano, WI, Chicago, IL and Marinette, WI. Call before your visit to confirm the address.
- What is Mark D. Weissman's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Mark D. Weissman accept Medicare assignment?
- Yes. Medicare's clinician data says Mark D. Weissman 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 Mark D. Weissman?
- (715) 526-2111, as listed in official Medicare / NPI Registry data.
- What is Mark D. Weissman's NPI number?
- 1366426538. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark D. Weissman works
Medicare's Facility Affiliation Data lists Mark D. Weissman at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Aurora Medical Center Bay AreaMarinette, WI · Acute Care Hospital · CCN 520113
- Thedacare Medical Center - ShawanoShawano, WI · Critical Access Hospital · CCN 521346
- Thedacare Medical Center-WaupacaWaupaca, WI · Critical Access Hospital · CCN 521334
Practice locations
Addresses where Mark D. Weissman is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 County Rd BShawano, WI 54166 (715) 526‑2111
- 2003 W Fulton St, Suite 303Chicago, IL 60612 (312) 243‑2223
- 3003 University DrMarinette, WI 54143 (715) 735‑6621
Group practices
Medicare enrollment lists Mark D. Weissman as a member of these groups (CMS data updated 2026-10-02).
- Aurora Medical Group, Inc.3,813 clinicians in the group
- MD @ Home Illinois, SC51 clinicians in the group
- Thedacare Medical Center - Shawano, Inc.40 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1366426538 |
| 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