The number of Medicare-certified ASCs varies throughout the United States. States with certificate-of-need laws have 1.6 ASCs per 100,000 people on average, slightly less than states without a CON law (1.8), according to the VMG Health 2017 Intellimarker: Multi-Specialty ASC Study.
Note: The following states are ordered alphabetically. The figures refer to the number of Medicare-licensed ASCs per 100,000 people as of Dec. 31, 2016.
CON states
Alabama: 0.7
Alaska: 2
Connecticut: 1.3
Delaware: 2.4
Georgia: 3.2
Hawaii: 1.5
Illinois: 1
Iowa: 0.8
Kentucky: 0.7
Maine: 1.2
Maryland: 5.8
Massachusetts: 0.8
Michigan: 0.9
Mississippi: 2.3
Montana: 1.6
Nevada: 2.3
New Jersey: 3
New York: 0.7
North Carolina: 1
Rhode Island: 0.9
South Carolina: 1.4
Tennessee: 2.1
Vermont: 0.2
Virginia: 0.7
Washington: 2.7
Washington, D.C.: 0.4
West Virginia: 0.5
Non-CON states
Arizona: 2.5
Arkansas: 2
California: 2
Colorado: 2.2
Florida: 2
Idaho: 3.1
Indiana: 1.9
Kansas: 2.2
Louisiana: 1.7
Minnesota: 1.2
Missouri: 1.6
Nebraska: 2.4
New Hampshire: 2.1
New Mexico: 0.8
North Dakota: 1.5
Ohio: 1.6
Oklahoma: 1.1
Oregon: 1
Pennsylvania: 1.8
South Dakota: 2.2
Texas: 1.3
Utah: 1.3
Wisconsin: 1.3
Wyoming: 3.1