News & Advocacy CMS Releases 2019 Medicare Physician Fee Schedule Finalized Rule posted: December 11, 2018 CMS Unveils IPI Demonstration Project posted: December 11, 2018 OAR Membership Membership Signup Members: Physician Directory Membership Benefits / Join Now OAR Events » 2019 OAR and AF Joint Arthritis Access & Advocacy Day April 4, 2019 DoubleTree Columbus Downtown Columbus, OH Please check back for more information about upcoming OAR events. Ohio Association of Rheumatology advocates and protects patient access to all appropriate treatments for rheumatic diseases. We establish and maintain clinical guidelines defining appropriate treatment of arthritis and rheumatic diseases. Our Doctors nurtures the interest and development of students in the field of rheumatology. The association of Rheumatology augments other organizations involved in arthritis care to enhance the quality of rheumatology services for all patients.