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Registry Statistics
Board Certified Specialist in Oncology Nutrition (CSO)
As of March 30, 2026
By Region
| Alabama | 4 | Alaska | 2 | Arizona | 22 |
| Arkansas | 8 | California | 104 | Colorado | 32 |
| Connecticut | 16 | Delaware | 1 | District of Columbia | 1 |
| Florida | 65 | Georgia | 38 | Hawaii | 1 |
| Idaho | 8 | Illinois | 38 | Indiana | 11 |
| Iowa | 9 | Kentucky | 9 | Louisiana | 9 |
| Maine | 8 | Maryland | 18 | Massachusetts | 23 |
| Michigan | 24 | Minnesota | 12 | Mississippi | 1 |
| Missouri | 22 | Montana | 5 | Nebraska | 4 |
| Nevada | 7 | New Hampshire | 6 | New Jersey | 36 |
| New Mexico | 3 | New York | 80 | North Carolina | 46 |
| North Dakota | 2 | Ohio | 40 | Oklahoma | 3 |
| Oregon | 27 | Pennsylvania | 49 | Puerto Rico | 1 |
| Rhode Island | 2 | South Carolina | 11 | South Dakota | 1 |
| Tennessee | 16 | Texas | 74 | Utah | 5 |
| Vermont | 2 | Virginia | 31 | Washington | 32 |
| West Virginia | 1 | Wisconsin | 25 | Canada | 1 |
| Foreign | 1 |