Oklahoma Medical Group Management Association - About Us About Oklahoma Medical Group Management Association Our Mission The Oklahoma Medical Group Management Association is dedicated to providing our members with educational opportunities that will promote professionalism and improve the quality of health care to the patients and communities we serve. The Oklahoma MGMA is the premier resource for individuals and the center for excellence in medical group management in Oklahoma. The Association has been active in the state for many years and is a State Affiliate of the Medical Group Management Association. The purpose of the OKMGMA is to improve management in medical groups thereby better serving members of the organization the physicians they represent the patients they serve and the group practice of medicine as an integral part of the health care system.