From 1999 through 2003, Ortmeyer played under coach Red Berenson with the University of Michigan Wolverines, in the Central Collegiate Hockey Association (CCHA).
[8] During the 2003–04 NHL season, Ortmeyer split time between the Rangers and their American Hockey League (AHL) affiliate, the Hartford Wolf Pack.
[11] Former Rangers Head Coach Tom Renney reflected upon the "HMO Line", saying, "They were high-octane energy and in your face and just played hard two-way Hockey.
[13] On January 2, 2007, Ortmeyer returned to the Rangers line-up after a conditioning stint with the Wolf Pack, playing 5:35 over 9 shifts.
[8][14] On January 13, in his sixth game since returning, he scored on a shorthanded penalty shot against the Boston Bruins to assure a 3–1 Rangers victory.
[citation needed] Becoming a free agent in the 2007 off-season, Ortmeyer signed a two-year contract with the Nashville Predators on July 2.
[8] He then played on PTOs with the San Antonio Rampage and Houston Aeros of the AHL before signing with the NHL's Minnesota Wild on January 4, 2011.
[8] A Free Agent during the NHL Lockout, Ortmeyer belatedly signed with the Missouri Mavericks of the Central Hockey League midway through the 2012–13 season on January 25, 2013.
[21] After only two games with the Mavericks, Ortmeyer returned to the AHL, signing a contract for the remainder of the year with the San Antonio Rampage on January 31, 2013.