Quick answers
- Does Bradley J. Hartmann accept Medicare assignment?
- Yes. Medicare's clinician data says Bradley J. Hartmann accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Bradley J. Hartmann see?
- In 2024, CMS data shows 2,274 Original Medicare patients and 4,014 services for Bradley J. Hartmann. This counts Original Medicare only and measures volume, not quality.
- What is Bradley J. Hartmann's NPI number?
- 1225102296. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Bradley J. Hartmann, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 2,274 |
|---|---|
| Services billed to Medicare | 4,014 |
| Different services or procedures | 192 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- X-ray of chest, 1 view (71045)342 services
- Screening 3d breast mammography (77063)261 services
- Screening mammography (77067)261 services
- Ct scan of abdomen and pelvis with contrast (74177)221 services
- Ct scan head or brain without contrast (70450)206 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol72%
- Arthritis48%
- Ischemic heart disease31%
- Diabetes30%
- Chronic kidney disease29%
Hospitals where Bradley J. Hartmann works
Medicare's Facility Affiliation Data lists Bradley J. Hartmann at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Beloit Health SystemBeloit, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520100
- Reedsburg Area Medical CenterReedsburg, WI · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 521351
- Sauk Prairie HospitalPrairie Du Sac, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520095
- Southwest Health CenterPlatteville, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521354
- SSM Health St Mary's Hospital - MadisonMadison, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520083
Practice locations
Addresses where Bradley J. Hartmann is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1211 Fish Hatchery RdMadison, WI 53715 (608) 252‑8000
- 1400 Eastside RdPlatteville, WI 53818 (614) 340‑7740
- 1969 W Hart RdBeloit, WI 53511 (608) 364‑5269
- 2809 N Park Dr LnAppleton, WI 54911 (614) 340‑7740
- 800 Compassion WayDodgeville, WI 53533 (608) 935‑2711
Group practices
Medicare enrollment lists Bradley J. Hartmann as a member of these groups (CMS data updated October 2, 2026).
- Dean Health Systems Inc1,159 clinicians in the group
- Radiology Associates of the Fox Valley SC81 clinicians in the group
- Madison Radiologists S C57 clinicians in the group
- Beloit Radiology Ltd55 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Madison
Clinicians with the same Medicare primary specialty in Madison, WI — not a recommendation.
Other clinicians in Dean Health Systems Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 2006 (20 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1225102296 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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