Ranked list
The 10 largest medical groups in Delaware by Medicare Part B payments
The same ranking for Delaware medical groups.
Ranked listRefreshed monthly
The 10 largest medical groups in Maryland by Medicare Part B payments
Johns Hopkins University has the most Medicare Part B payments of any medical group in Maryland, $264.3 million, followed by Maryland Oncology Hematology in Columbia ($168.7M) and Agape Physical Therapy in Forest Hill ($130.8M). Together the 10 leaders account for $1.16 billion in Medicare Part B payments in ten cities.
- Johns Hopkins University$264.3M3,494physicians
- Maryland Oncology Hematology$168.7M75physicians
- Agape Physical Therapy$130.8M451physicians
- Luminis Health Maternal and Fetal Medicine Annapolis$100.6M551physicians
- UM Community Medical Group$93.8M589physicians
- Chesapeake Urology Associates$91.9M169physicians
- Meritus Radiology$88.1M545physicians
- Johns Hopkins Department of Orthopaedic Surgery$84.4M1,136physicians
- Medical Director Services$72.1M82physicians
- TidalHealth Cardiovascular Surgery$69.7M405physicians
The 10 highest of 2,347 Maryland medical groups that report Medicare Part B payments. Ranks compare size, not quality of care.
Every medical group in MarylandThe 10 top Maryland medical groups hold 21% of all Medicare Part B payments
2,347 Maryland medical groups report Medicare Part B payments, $5.6 billion in all. The 10 on this list hold $1.16 billion of it. The median medical group has $243,148 in Medicare Part B payments, so Johns Hopkins University is about 1,087 times that size.
- of all Medicare Part B payments at Maryland medical groups that report them
- 21%
- the size of the median Maryland medical group, which has $243,148 in Medicare Part B payments
- 1,087×
- of the 2,347 Maryland medical groups that report Medicare Part B payments
- 0.4%
How we ranked the top Maryland 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
- 2,347 Maryland 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 Maryland medical groups
Answers from the same data, updated monthly.
Which Maryland medical group has the most Medicare Part B payments?
Johns Hopkins University in Baltimore, with $264.3 million in Medicare Part B payments. Maryland Oncology Hematology is second with $168.7M.
What are the top 10 Maryland medical groups by Medicare Part B payments?
Johns Hopkins University ($264.3M), Maryland Oncology Hematology ($168.7M), Agape Physical Therapy ($130.8M), Luminis Health Maternal and Fetal Medicine Annapolis ($100.6M), UM Community Medical Group ($93.8M), Chesapeake Urology Associates ($91.9M), Meritus Radiology ($88.1M), Johns Hopkins Department of Orthopaedic Surgery ($84.4M), Medical Director Services ($72.1M), TidalHealth Cardiovascular Surgery ($69.7M).
How many Medicare Part B payments does a typical Maryland medical group have?
The median Maryland medical group that reports Medicare Part B payments has $243,148 in Medicare Part B payments, out of 2,347 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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