All 50 states ranked by number of ASCs

California has the most ASCs of any state, nearly doubling the number of ASCs in Florida, its closest competitor, according to the most recent data from CMS. 

All 50 states ranked by number of ASCs: 

1. California: 848
2. Florida: 468
3. Texas: 458
4. Georgia: 386
5. Maryland: 341
6. New Jersey: 259
7. Pennsylvania: 245
8. Arizona: 212
9. Ohio: 198
10. Washington: 183 
11. New York: 160
12. Colorado: 141
13. North Carolina: 137
14. Tennessee: 137
15. Illinois: 134
16. Indiana: 134
17. Michigan: 112
18. Missouri: 101
19. Oregon: 92
20. Louisiana: 89
21. Minnesota: 83
22. Nevada: 78
23. South Carolina: 77
24. Mississippi: 76
25. Wisconsin: 75
26. Arkansas: 72
27. Kansas: 68
28. Virginia: 63
29. Massachusetts: 56
30. Connecticut: 55
31. Idaho: 54
32. Nebraska: 48
33. Utah: 48
34. Alabama: 42
35. Oklahoma: 39
36. Kentucky: 37
37. Iowa: 30
38. New Hampshire: 28
39. Hawaii: 22
40. Delaware: 21
41. Montana: 20
42. New Mexico: 20
43. Wyoming: 20
44. Alaska: 18 
45. South Dakota: 15
46. Maine: 15
47. Rhode Island: 14
48. North Dakota: 13
49. West Virginia: 8
50. Vermont: 2