Registry Statistics
Board Certified Specialist in Oncology Nutrition (CSO)
As of May 18, 2026
By Region
| Alabama | 5 | Alaska | 2 | Arizona | 21 |
| Arkansas | 8 | California | 103 | Colorado | 32 |
| Connecticut | 16 | Delaware | 1 | District of Columbia | 1 |
| Florida | 63 | Georgia | 39 | Hawaii | 1 |
| Idaho | 9 | Illinois | 39 | Indiana | 10 |
| Iowa | 9 | Kentucky | 9 | Louisiana | 9 |
| Maine | 7 | Maryland | 18 | Massachusetts | 26 |
| Michigan | 25 | Minnesota | 12 | Mississippi | 1 |
| Missouri | 21 | Montana | 5 | Nebraska | 4 |
| Nevada | 7 | New Hampshire | 6 | New Jersey | 37 |
| New Mexico | 3 | New York | 78 | North Carolina | 46 |
| North Dakota | 1 | Ohio | 38 | Oklahoma | 3 |
| Oregon | 23 | Pennsylvania | 51 | Puerto Rico | 1 |
| Rhode Island | 2 | South Carolina | 9 | South Dakota | 1 |
| Tennessee | 15 | Texas | 72 | Utah | 5 |
| Vermont | 2 | Virginia | 31 | Washington | 30 |
| West Virginia | 1 | Wisconsin | 25 | Foreign | 1 |