The 10 largest medical groups in Colorado by physicians
University of Colorado Medicine (CU Medicine) is the largest medical group in Colorado, with 3,003 physicians, followed by UCHealth Medical Group in Loveland (1,684) and Denver Health in Denver (1,491).
- University of Colorado Medicine (CU Medicine)3,003physicians5,094HCPs
- UCHealth Medical Group1,684physicians3,166HCPs
- Denver Health1,491physicians2,474HCPs
- Colorado Permanente Medical Group1,371physicians2,000HCPs
- Cardiac & Thoracic Surgery Associates (CTSA)947physicians1,588HCPs
- Intermountain Health625physicians1,439HCPs
- U.S. Anesthesia Partners374physicians963HCPs
- Grand Junction Palliative Care330physicians508HCPs
- UCHealth Broomfield Medical Center296physicians305HCPs
- Rural Physicians Group293physicians308HCPs
The 10 largest of 1,031 Colorado medical groups that report physicians. Ranks compare size, not quality of care.
Every medical group in ColoradoThe median Colorado medical group has 4 physicians
1,031 Colorado medical groups report physicians. The median medical group has 4 physicians, so University of Colorado Medicine (CU Medicine) is about 751 times that size.
- the size of the median Colorado medical group, which has 4 physicians
- 751×
- of the 1,031 Colorado medical groups that report physicians
- 1%
How we ranked the largest Colorado medical groups
- Measure
- Physicians linked to each group in CMS enrollment and the Dmand AI database.
- What counts as a group
- One Medicare PAC ID. A group that bills under several names counts once.
- Field
- 1,031 Colorado medical groups in the Dmand AI database report physicians.
- Ties
- Medical groups with the same number share a rank.
- HCPs
- Healthcare professionals with a current link to the group in the Dmand AI database.
- What a rank means
- Size only. A rank compares physicians; it says nothing about quality of care.
- Refresh
- Monthly. Updated Oct 28, 2026.
FAQ
Questions about the largest Colorado medical groups
Answers from the same data, updated monthly.
What is the largest medical group in Colorado?
University of Colorado Medicine (CU Medicine) in Aurora, with 3,003 physicians. UCHealth Medical Group is second with 1,684.
What are the 10 largest medical groups in Colorado?
By physicians: University of Colorado Medicine (CU Medicine) (3,003), UCHealth Medical Group (1,684), Denver Health (1,491), Colorado Permanente Medical Group (1,371), Cardiac & Thoracic Surgery Associates (CTSA) (947), Intermountain Health (625), U.S. Anesthesia Partners (374), Grand Junction Palliative Care (330), UCHealth Broomfield Medical Center (296), Rural Physicians Group (293).
How many physicians does a typical Colorado medical group have?
The median Colorado medical group that reports physicians has 4 physicians, out of 1,031 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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