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.
I mean seriously. I have known what they stand for for years and I am only 19. Please don't tell me you also do not know what FIFA stands or what NCAA does. ATP stands for Association of Tennis Professionals and is the men's tour while WTA stands for Women's Tennis Association and is the women's tour.Source(s): Myself.JCam Â· 8 years ago.lease don't tell me you also do not know what FIFA stands or what NCAA does. ATP stands for Association of Tennis Professionals and is the men's tour while WTA stands for Women's Tennis Association and is the women's tour. Source(s): Myself. JCam Â· 8 years ago.