Ranked list
The 10 largest medical groups in Illinois by Medicare Part B payments
The same ranking for Illinois medical groups.
Ranked listRefreshed monthly
The 10 largest medical groups in Wisconsin by Medicare Part B payments
Aurora Medical Group has the most Medicare Part B payments of any medical group in Wisconsin, $135.2 million, followed by Forefront Dermatology in Manitowoc ($115.1M) and SSM Health Dean Medical Group in Madison ($96.2M). Together the 10 leaders account for $883.3 million in Medicare Part B payments in eight cities.
- Aurora Medical Group$135.2M2,760physicians
- Forefront Dermatology$115.1M358physicians
- SSM Health Dean Medical Group$96.2M884physicians
- Froedtert & the Medical College of Wisconsin Community Physicians$95.5M2,789physicians
- Marshfield Clinic Health System$88.5M1,740physicians
- UW Health$84.4M2,157physicians
- Froedtert & the Medical College of Wisconsin Community Physicians$75.8M1,560physicians
- Marshfield Clinic Health System (MCHS), Marshfield Medical Center$65.1M1,505physicians
- Mercyhealth$64.8M1,177physicians
- Mayo Clinic Health System in La Crosse$62.8M971physicians
The 10 highest of 1,299 Wisconsin medical groups that report Medicare Part B payments. Ranks compare size, not quality of care.
Every medical group in WisconsinThe 10 top Wisconsin medical groups hold 35% of all Medicare Part B payments
1,299 Wisconsin medical groups report Medicare Part B payments, $2.52 billion in all. The 10 on this list hold $883.3 million of it. The median medical group has $55,289 in Medicare Part B payments, so Aurora Medical Group is about 2,446 times that size.
- of all Medicare Part B payments at Wisconsin medical groups that report them
- 35%
- the size of the median Wisconsin medical group, which has $55,289 in Medicare Part B payments
- 2,446×
- of the 1,299 Wisconsin medical groups that report Medicare Part B payments
- 0.8%
How we ranked the top Wisconsin medical groups
- Measure
- Medicare Part B payments to each group from CMS claims data.
- What counts as a group
- One Medicare PAC ID. A group that bills under several names counts once.
- Field
- 1,299 Wisconsin medical groups in the Dmand AI database report Medicare Part B payments.
- Ties
- Medical groups with the same number share a rank.
- What a rank means
- Size only. A rank compares Medicare Part B payments; it says nothing about quality of care.
- Refresh
- Monthly. Updated Oct 28, 2026.
FAQ
Questions about the top Wisconsin medical groups
Answers from the same data, updated monthly.
Which Wisconsin medical group has the most Medicare Part B payments?
Aurora Medical Group in Milwaukee, with $135.2 million in Medicare Part B payments. Forefront Dermatology is second with $115.1M.
What are the top 10 Wisconsin medical groups by Medicare Part B payments?
Aurora Medical Group ($135.2M), Forefront Dermatology ($115.1M), SSM Health Dean Medical Group ($96.2M), Froedtert & the Medical College of Wisconsin Community Physicians ($95.5M), Marshfield Clinic Health System ($88.5M), UW Health ($84.4M), Froedtert & the Medical College of Wisconsin Community Physicians ($75.8M), Marshfield Clinic Health System (MCHS), Marshfield Medical Center ($65.1M), Mercyhealth ($64.8M), Mayo Clinic Health System in La Crosse ($62.8M).
How many Medicare Part B payments does a typical Wisconsin medical group have?
The median Wisconsin medical group that reports Medicare Part B payments has $55,289 in Medicare Part B payments, out of 1,299 that report them.
How often is this list updated?
Every month, when the Dmand AI database refreshes. This version is from Oct 28, 2026.
More ranked lists
Every ranked listRanked list
The 10 largest medical groups in the US by Medicare Part B payments
The national ranking by Medicare Part B payments.
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