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 25, 2020
By Region
| Alabama | 5 | Alaska | 1 | Arizona | 13 |
| Arkansas | 1 | California | 73 | Colorado | 26 |
| Connecticut | 22 | Delaware | 1 | Florida | 38 |
| Georgia | 26 | Idaho | 8 | Illinois | 36 |
| Indiana | 13 | Iowa | 8 | Kansas | 8 |
| Kentucky | 11 | Louisiana | 7 | Maine | 3 |
| Maryland | 19 | Massachusetts | 16 | Michigan | 31 |
| Minnesota | 14 | Missouri | 12 | Montana | 4 |
| Nebraska | 4 | Nevada | 2 | New Hampshire | 5 |
| New Jersey | 29 | New York | 52 | North Carolina | 33 |
| North Dakota | 2 | Ohio | 25 | Oklahoma | 6 |
| Oregon | 18 | Pennsylvania | 49 | Rhode Island | 4 |
| South Carolina | 9 | Tennessee | 10 | Texas | 61 |
| Utah | 5 | Vermont | 3 | Virginia | 24 |
| Washington | 33 | West Virginia | 1 | Wisconsin | 23 |
| Canada | 1 | Foreign | 1 |