CDR Holiday Closure - December 24 – January 4
For the Holidays, CDR is closed beginning Tuesday, December 23, 2025 at 3:00pm CST through Sunday, January 4, 2026 and reopens on Monday, January 5, 2026.
Registry Statistics
Board Certified Specialist in Oncology Nutrition (CSO)
As of May 16, 2022
By Region
| Alabama | 5 | Alaska | 1 | Arizona | 15 |
| Arkansas | 1 | California | 71 | Colorado | 32 |
| Connecticut | 17 | Delaware | 2 | District of Columbia | 1 |
| Florida | 45 | Georgia | 30 | Hawaii | 1 |
| Idaho | 11 | Illinois | 35 | Indiana | 14 |
| Iowa | 9 | Kansas | 7 | Kentucky | 12 |
| Louisiana | 7 | Maine | 6 | Maryland | 20 |
| Massachusetts | 16 | Michigan | 26 | Minnesota | 11 |
| Mississippi | 1 | Missouri | 19 | Montana | 7 |
| Nebraska | 4 | Nevada | 5 | New Hampshire | 3 |
| New Jersey | 30 | New Mexico | 1 | New York | 64 |
| North Carolina | 41 | North Dakota | 2 | Ohio | 25 |
| Oklahoma | 7 | Oregon | 24 | Pennsylvania | 42 |
| Puerto Rico | 1 | Rhode Island | 3 | South Carolina | 11 |
| Tennessee | 8 | Texas | 60 | Utah | 6 |
| Vermont | 2 | Virginia | 24 | Washington | 26 |
| West Virginia | 1 | Wisconsin | 25 | Canada | 2 |