Phones and Live Chat are not available today. CDR Staff will respond to emails and voicemails within 48 business hours.
Registry Statistics
Board Certified Specialist in Digestive Health (CSDH)
As of September 28, 2026
By Region
| Alabama | 1 | Arizona | 4 | California | 18 |
| Colorado | 2 | Connecticut | 5 | District of Columbia | 1 |
| Florida | 7 | Georgia | 2 | Idaho | 1 |
| Illinois | 2 | Kansas | 1 | Kentucky | 1 |
| Maryland | 2 | Massachusetts | 3 | Michigan | 2 |
| Missouri | 2 | Nebraska | 1 | Nevada | 1 |
| New Hampshire | 1 | New Jersey | 4 | New York | 15 |
| North Carolina | 5 | Ohio | 5 | Oregon | 4 |
| Pennsylvania | 3 | South Carolina | 2 | Tennessee | 2 |
| Texas | 6 | Utah | 1 | Washington | 5 |
| Wisconsin | 3 | Foreign | 1 |