Timothy John Ziemlewicz, MD
NPI 1184885683ActiveIndividual· Radiology, Body Imaging· Madison, WI
Radiology, Body Imaging (MD) in Madison, Wisconsin, trained at Wayne State University School of Medicine (class of 2004). Medicare paid $64,209 for services to 852 patients in 2024. Histosonics, Inc. reported $1,959,906 in payments in 2025, mostly acquisitions.
Overview
| NPI | 1184885683 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 18, 2008 |
| Last updated in NPPES | Jul 30, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Body Imaging Primary | 2085B0100X | 54428 | WI |
| Radiology, Diagnostic Radiology | 2085R0202X | 54428 | 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 - Diagnostic Radiology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 852 |
|---|---|
| Services billed | 5,017 across 64 procedure codes |
| Paid by Medicare | $64,209 |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Diagnostic Radiology |
Medical groups
- University of Wisconsin Medical Foundation IncMadison, WI · 2,553 clinicians
- Group Health Cooperative of South Central WisconsinMadison, WI · 236 clinicians
- University of Wisconsin System Non PayrollMadison, WI · 109 clinicians
Hospital affiliations
- Unitypoint Health - MeriterMadison, WI
- University of Wi Hospitals & Clinics AuthorityMadison, WI
Industry payments (Open Payments)
- 2025$1,959,906 · 27 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Histosonics, Inc. | $1,959,906 | 27 |
What the 2025 payments were for
- Acquisitions$1,417,358 · 1 payment
- Consulting Fee$541,465 · 21 payments
- Travel and Lodging$626.29 · 2 payments
- Food and Beverage$456.35 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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