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The following list highlights the top Integrated Delivery Networks (IDNs) by number of affiliated physician groups. A physician group is constituted by one or more physicians operating as an organization to deliver care. In order for an organization to be placed under a network, Definitive Healthcare requires that the IDN have ownership or operational control over the group.
With 42 affiliated physician groups, Wills-Knighton Health System—a Louisiana-based IDN—has the greatest number of reported in-network physician groups. The states appearing the most frequently as IDN headquarters were Pennsylvania and Tennessee, each with five networks represented. Due to numerous ties, the top 23 IDNs are represented in the list below.
|Network Name||Definitive ID||State||Affiliated Physician Groups||Net Patient Revenue|
|1||Willis-Knighton Health System||7091||LA||42||$1,057,835,074.00|
|2||Saint Francis Healthcare System||992190||MO||36||$527,267,909.00|
|4||University of Pittsburgh Medical Center||6448||PA||26||$8,814,665,418.00|
|5||Community Health Systems||542233||TN||25||$10,803,609,740.00|
|6||Allegheny Health Network||7155||PA||24||$2,541,073,782.00|
|7||HCA East Florida Division||780654||FL||20||$3,385,979,772.00|
|9||Baptist Health South Florida||7010||FL||18||$3,115,809,504.00|
|11||Baylor Scott & White Health||577357||TX||17||$7,093,830,295.00|
|15||HCA Continental Division||780649||CO||15||$2,636,549,608.00|
|17||HCA West Florida Division||780653||FL||14||$2,856,763,352.00|
|18||Baptist Health (Jacksonville FL)||4699||FL||13||$1,424,057,214.00|
|18||Universal Health Services||7055||PA||13||$9,411,099,588.00|
|21||Duke LifePoint Healthcare||541933||TN||12||$1,491,003,301.00|
|21||HCA Medical City Healthcare||780650||TX||12||$3,138,212,353.00|
Fig 1. Data from Definitive Healthcare Hospitals & IDNs Database; affiliation data is proprietary to Definitive Healthcare.