Ranked list
The 10 largest medical groups in New York by Medicare Part B payments
The same ranking for New York medical groups.
Ranked listRefreshed monthly
The 10 largest medical groups in the US by Medicare Part B payments
Florida Cancer Specialists & Research Institute has the most Medicare Part B payments of any medical group in the US, $906.6 million, followed by Texas Oncology in El Paso ($757M) and Northwell Health Physician Partners Cardiology at Great Neck in Westbury ($560.5M). Together the 10 leaders account for $4.8 billion in Medicare Part B payments across nine states.
- Florida Cancer Specialists & Research Institute$906.6M427physicians
- Texas Oncology$757M787physicians
- Northwell Health Physician Partners Cardiology at Great Neck$560.5M6,536physicians
- NYU Langone Orthopedic Surgery Associates$483.1M5,858physicians
- Zangmeister Cancer Center$441.7M261physicians
- Palo Alto Foundation Medical Group$387.3M3,491physicians
- Northwestern Medical Faculty Foundation$364M3,474physicians
- Legacy Healthcare Services$344.2M1,727physicians
- Phoenix Physical Therapy$281.2M1,715physicians
- MedStar Medical Group$272.7M3,352physicians
The 10 highest of 104,614 US medical groups that report Medicare Part B payments. Ranks compare size, not quality of care.
Every US medical group in the directoryThe 10 top US medical groups hold 2.4% of all Medicare Part B payments
104,614 US medical groups report Medicare Part B payments, $201.36 billion in all. The 10 on this list hold $4.8 billion of it. The median medical group has $206,408 in Medicare Part B payments, so Florida Cancer Specialists & Research Institute is about 4,392 times that size.
- of all Medicare Part B payments at US medical groups that report them
- 2.4%
- the size of the median US medical group, which has $206,408 in Medicare Part B payments
- 4,392×
- of the 104,614 US medical groups that report Medicare Part B payments
- <0.1%
How we ranked the top US 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
- 104,614 US 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 US medical groups
Answers from the same data, updated monthly.
Which US medical group has the most Medicare Part B payments?
Florida Cancer Specialists & Research Institute in Cape Coral, Florida, with $906.6 million in Medicare Part B payments. Texas Oncology is second with $757M.
What are the top 10 US medical groups by Medicare Part B payments?
Florida Cancer Specialists & Research Institute ($906.6M), Texas Oncology ($757M), Northwell Health Physician Partners Cardiology at Great Neck ($560.5M), NYU Langone Orthopedic Surgery Associates ($483.1M), Zangmeister Cancer Center ($441.7M), Palo Alto Foundation Medical Group ($387.3M), Northwestern Medical Faculty Foundation ($364M), Legacy Healthcare Services ($344.2M), Phoenix Physical Therapy ($281.2M), MedStar Medical Group ($272.7M).
Which state has the most of the 10 top medical groups?
New York, with two of the 10.
How many Medicare Part B payments does a typical US medical group have?
The median US medical group that reports Medicare Part B payments has $206,408 in Medicare Part B payments, out of 104,614 that report them.
How often is this list updated?
Every month, when the Dmand AI database refreshes. This version is from Oct 28, 2026.
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