Integrated Delivery Networks (IDNs) offer both healthcare services and health insurance coverage to patients within a geographic area. Each IDN is unique in its function and offerings, but generally provide primary care, acute care, specialty care (including clinics), long-term care, and home health care. IDNs often leverage their size to increase purchasing power, negotiating lower prices with medical device suppliers for their member facilities.

The following table lists the top 50 IDNs in the U.S. according to average daily census. The IDN with the highest average daily census on our list, HCA Healthcare, leads by a significant margin. With an average daily census of 24,333, the gap between the first and second spot on our list exceeds 10,000 patients. HCA consists of 211 in-network hospitals. The average number of in-network hospitals for IDNs in the top 50 comes in at just over 48.

On average, the top 50 IDNs brought in more than $7.9 billion in net patient revenue during the most recent reporting period. This is less than one-fifth of the net patient revenue earned by HCA Healthcare, the largest IDN.