Doctor density varies by specialty and location. The United States has 561 practicing blood bank & transfusion medicine doctors. Broken out by state, blood bank & transfusion medicine doctor density in Alabama is 4, in Alaska is 1, in Arizona is 7, in Arkansas is 5, in California is 77, in Colorado is 15, in Connecticut is 11, in Delaware is 1, in District of Columbia is 7, in Florida is 38, in Georgia is 14, in Hawaii is 2, in Idaho is 3, in Illinois is 31, in Indiana is 11, in Iowa is 6, in Kansas is 6, in Kentucky is 3, in Louisiana is 8, in Maine is 5, in Maryland is 19, in Massachusetts is 46, in Michigan is 26, in Minnesota is 19, in Mississippi is 3, in Missouri is 15, in Montana is 1, in Nebraska is 4, in Nevada is 3, in New Hampshire is 2, in New Jersey is 13, in New Mexico is 11, in New York is 74, in North Carolina is 14, in Ohio is 23, in Oklahoma is 6, in Oregon is 4, in Pennsylvania is 39, in Rhode Island is 3, in South Carolina is 4, in South Dakota is 2, in Tennessee is 12, in Texas is 57, in Utah is 10, in Vermont is 2, in Virginia is 20, in Washington is 11, in West Virginia is 4, and in Wisconsin is 13.