At one OT open house (TWU), the program director was asked about their master's program and if it'd be wiser to get a doctorate instead. She said that the OT field will most likely be heading that direction in a few years but isn't there yet. For physical therapy, it is quickly becoming the norm to get a dr instead of masters degree. OT is just further behind on that trend but will likely do the same. At least that is how she explained it to us.