Tapia was a male individual serving in Starfleet in the 23rd century. By the late 2270s, Tapia was serving as a command division captain in Starfleet, assigned as the chief of staff to Fleet Admiral Karis Tatenen, stationed on the planet Khepri.

In 2277, Tapia accompanied Tatenen and the rest of his staff to a top-secret diplomatic mission on Pollox IV, traveling aboard the USS Enterprise. (TOS - Star Trek II Short Stories short story: "The Blaze of Glory")