Must have completed an accredited 2-year program for occupational therapy assistants, plus supervised field work. Exam required. No continuing education required. Fees required. Commonwealth of Massachusetts Board of Registration of Allied Health Professions 239 Causeway Street Boston, MA 02114 (617) 727-3071 Please note: This agency was originally housed at 100 Cambridge Street, Boston, MA. Please call the number above before mailing any materials.