Annual Membership dues renewal occurs every June. For new members proration of the first year's dues is based on the timing of membership acceptance. All applications for membership are acted upon by the board of directors. The association has different membership categories: Active, Honorary Life, Physician Associate, Professional Associate, Out-of-State, Out-of-Practice, Resident and Intern, Student and Associate.

Applications may be obtained online or from MOA at info@mainedo.org