Registry Statistics
Board Certified Specialist in Oncology Nutrition (CSO)
As of August 11, 2025
By Region
| Alabama | 3 | Alaska | 2 | Arizona | 20 |
| Arkansas | 7 | California | 92 | Colorado | 34 |
| Connecticut | 15 | Delaware | 2 | District of Columbia | 2 |
| Florida | 64 | Georgia | 38 | Hawaii | 1 |
| Idaho | 10 | Illinois | 36 | Indiana | 8 |
| Iowa | 9 | Kansas | 1 | Kentucky | 9 |
| Louisiana | 10 | Maine | 9 | Maryland | 18 |
| Massachusetts | 20 | Michigan | 26 | Minnesota | 10 |
| Mississippi | 1 | Missouri | 21 | Montana | 5 |
| Nebraska | 4 | Nevada | 8 | New Hampshire | 6 |
| New Jersey | 39 | New Mexico | 2 | New York | 79 |
| North Carolina | 47 | North Dakota | 2 | Ohio | 40 |
| Oklahoma | 4 | Oregon | 27 | Pennsylvania | 48 |
| Puerto Rico | 1 | Rhode Island | 1 | South Carolina | 9 |
| South Dakota | 1 | Tennessee | 14 | Texas | 71 |
| Utah | 5 | Vermont | 2 | Virginia | 30 |
| Washington | 31 | West Virginia | 1 | Wisconsin | 24 |
| Canada | 1 |