Rank	ASC Corporation	City, ST	Owned ASCs	Owned ASC ORs
1)	AmSurg Corp	Nashville, TN	198	496
2)	United Surgical Partners International Inc (USPI)	Addison, TX	143	506
3)	Surgical Care Affiliates	Birmingham, AL	125	551
4)	HCA Inc	Nashville, TN	111	498
5)	Symbion Healthcare Inc	Nashville, TN	62	228
6)	NovaMed Inc	Chicago, IL	35	74
7)	Ambulatory Surgical Centers of America	Hanover, MA	33	144
8)	Southwestern Eye Center	Mesa, AZ	22	29
9)	Kaiser Permanente	Oakland, CA	19	41
10)	Physicians Endoscopy LLC	Doylestown, PA	18	49

More than 22 million outpatient surgeries are performed at Ambulatory Surgery Centers (ASCs) in the U.S. each year. As patients continue to pursue more flexible healthcare options, procedure migration from inpatient to outpatient settings shows little sign of slowing down.

Nashville, TN is no stranger to the amb-surg trend, boasting 3 of the top 10 U.S. ASC corporations, or chains. Just under half of the 766 ASCs owned by the 10 leading corporations are headquartered by Nashville firms.

Will ASC Market Trends Impact Your Business?
Whether you're a provider exploring new partnerships, or a vendor exploring new markets, ASC trends will continue to play a major role in our nation's evolving healthcare landscape.

Explore network affiliates, executive leadership, and procedure and physician volumes among over 6,400 U.S. surgery centers by registering for trial access to the Billian's HealthDATA Portal.