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 November 21, 2022
By Region
| Alabama | 4 | Alaska | 1 | Arizona | 17 |
| Arkansas | 1 | California | 69 | Colorado | 33 |
| Connecticut | 19 | Delaware | 2 | Florida | 48 |
| Georgia | 32 | Hawaii | 1 | Idaho | 11 |
| Illinois | 33 | Indiana | 15 | Iowa | 8 |
| Kansas | 5 | Kentucky | 11 | Louisiana | 8 |
| Maine | 4 | Maryland | 18 | Massachusetts | 18 |
| Michigan | 26 | Minnesota | 12 | Missouri | 17 |
| Montana | 6 | Nebraska | 5 | Nevada | 6 |
| New Hampshire | 4 | New Jersey | 34 | New Mexico | 2 |
| New York | 69 | North Carolina | 41 | North Dakota | 2 |
| Ohio | 25 | Oklahoma | 6 | Oregon | 24 |
| Pennsylvania | 38 | Puerto Rico | 1 | Rhode Island | 3 |
| South Carolina | 11 | Tennessee | 9 | Texas | 64 |
| Utah | 6 | Vermont | 2 | Virginia | 25 |
| Washington | 29 | West Virginia | 1 | Wisconsin | 23 |
| Canada | 2 |