Registry Statistics
Board Certified Specialist in Oncology Nutrition (CSO)
As of March 27, 2017
| Alabama | 2 | Alaska | 1 | Arizona | 19 |
| Arkansas | 2 | California | 75 | Colorado | 21 |
| Connecticut | 24 | Delaware | 2 | District of Columbia | 1 |
| Florida | 41 | Georgia | 19 | Idaho | 7 |
| Illinois | 33 | Indiana | 16 | Iowa | 8 |
| Kansas | 5 | Kentucky | 6 | Louisiana | 8 |
| Maine | 6 | Maryland | 14 | Massachusetts | 17 |
| Michigan | 27 | Minnesota | 11 | Mississippi | 2 |
| Missouri | 11 | Montana | 3 | Nebraska | 4 |
| Nevada | 1 | New Hampshire | 5 | New Jersey | 33 |
| New York | 38 | North Carolina | 31 | North Dakota | 2 |
| Ohio | 21 | Oklahoma | 9 | Oregon | 12 |
| Pennsylvania | 47 | Rhode Island | 4 | South Carolina | 8 |
| South Dakota | 1 | Tennessee | 11 | Texas | 63 |
| Utah | 4 | Vermont | 3 | Virginia | 21 |
| Washington | 24 | West Virginia | 2 | Wisconsin | 19 |
| Wyoming | 1 |