For other uses, see HMO (disambiguation). In the United States a health maintenance organization (HMO) is a medical insurance group that provides health services for a fixed annual fee.
NCAA Division I. Main logo used by the NCAA in Divisions I, II, and III. Division I (D-I) is the highest level of intercollegiate athletics sanctioned by the National Collegiate Athletic Association (NCAA) in the United States.
In the most recently completed 2016 season, there were 300 NCAA Division I teams in the United States (including schools transitioning from Division II to Division I). As with most other U.S. intercollegiate sports, competitive college baseball is played under the auspices of the NCAA or the NAIA. The NCAA writes the rules of play, while each sanctioning body supervises season-ending tournaments.