Here are the number of ASCs and affiliated physicians at five of the biggest ASC chains in the U.S.:
AmSurg
Number of ASCs: 256
Number of affiliated physicians: 4,000
HCA Healthcare
Number of ASCs: 150
Number of affiliated physicians: 3,400
SCA Health
Number of ASCs: 320
Number of affiliated physicians: 9,200
Surgery Partners
Number of ASCs: 127
Number of affiliated physicians: 4,000
USPI
Number of ASCs: 480+
Number of affiliated physicians: 11,000+