Who Joins the CMA? MDs and DOs from all specialties practicing primarily in Franklin County and surrounding counties are CMA members. Why Join the CMA? The CMA assists its physician members with legislative action, advocacy, practice management and by advancing the profession of medicine. CMA members receive: Free patient referrals through the Physicians Referral Service Discounts on health and dental insurance and workers' compensation group rating program Networking opportunities Endorsed services with discounts at local businesses Timely programs for physicians and staff Leadership Opportunities Free monthly publications covering key issues affecting the medical practice and areas of public interest Listing in the Physician Finder on the CMA Website