Arnold Ceponis, MD, PhD, RhMSUS is an academic Board-certified rheumatologist who diagnoses and treats various rheumatic and autoimmune conditions. Dr Ceponis practices rheumatology at the University of California San Diego (UCSD) Health System. Dr Ceponis is a Director of Rheumatology Fellowship program at UCSD School of Medicine, and is actively involved in resident and fellow teaching, and he runs CME program for rheumatolgists. Dr. Ceponis is certified in Musculoskeletal Ultrasound in Rheumatology (RhMSUS) by the American College or Rheumatology (ACR), and is nationally reconginzed expert and instructor in the field of musculoskeletal ultrasound. Before becoming part of the Faculty at UCSD, Dr. Ceponis, has completed internal medicine internship and residency at the University of Sothern California (USC-LAC), LA and Saint Joseph Health system in Ann Arbor, MI. Dr. Ceponis completed his rheumatology fellowship at UCSD. He received MD from Medical Academy of the Lithuanian University of Health Sciences, and a PhD degree from Helsinki University.