Andrew is an Accredited Disability Representative. Andrew has represented claimants all over the country with an emphasis in serving the Washington and Baltimore metropolitan area. He is a member of both the National Association of Disability Representatives (NADR) and a longtime sustaining member of National Organization of Social Security Claimants’ Representatives (NOSSCR).The Mathis family has been making a difference in the lives of Social Security Disability claimants for over 25 years. Andrew’s father, Dallas, founded Mathis & Mathis, P.C., in 1985 after many years working as a staff attorney for the Social Security Administration. Since 1992, Andrew has worked with disability claimants at all levels of application and appeal before SSA. Andrew has successfully represented thousands of Social Security Disability claimants at hearings before SSA Administrative Law Judges.