William J. Fischer III, M.D.
NPI 1982920344ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· Milwaukee, WI
Thoracic Surgery (Cardiothoracic Vascular Surgery) (M.D.) in Milwaukee, Wisconsin, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 2010). 47 Medicare patients in 2024, $64,947 paid; nearly all of their 132 Part D prescriptions were generic (99%). Medtronic, Inc. was the largest of 2 companies reporting payments in 2025, $5,351 in all, mostly travel and lodging.
Overview
| NPI | 1982920344 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 9, 2010 |
| Last updated in NPPES | Mar 12, 2024 |
| Certified by provider | Mar 12, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | 69157 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiac Surgery (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 47 |
|---|---|
| Services billed | 165 across 32 procedure codes |
| Paid by Medicare | $64,947 |
Part D prescriptions in 2024
| Prescriptions (claims) | 132 · 170 30-day fills |
|---|---|
| Patients | 62 |
| Total drug cost | $1,253 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Cardiac Surgery |
| Secondary specialties | Thoracic Surgery |
Medical group
- Aurora Medical Group, Inc.Milwaukee, WI · 3,813 clinicians
Hospital affiliations
- Aurora Medical Center - SummitSummit, WI
- Aurora Memorial Hospital BurlingtonBurlington, WI
- Aurora St Lukes Medical CenterMilwaukee, WI
- Door County Medical CenterSturgeon Bay, WI
- West Allis Memorial HospitalWest Allis, WI
Other facilities
- Aurora at HomeHome health agency · Milwaukee, WI
- Aurora at HomeHome health agency · Green Bay, WI
Industry payments (Open Payments)
- 2025$5,351 · 28 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $4,061 | 19 |
| Abbott Laboratories | $1,290 | 9 |
What the 2025 payments were for
- Travel and Lodging$2,410 · 14 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$1,900 · 1 payment
- Food and Beverage$1,041 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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