Capital Health – Rheumatology Specialists is led by Dr. Sehris Khawaja, Dr. Sajina Prabhakaran, Dr. Rishi Patel, Dr. Leigh Gilbert Segal, and Dr. William Torelli, board certified, fellowship trained rheumatologists serving the Bucks and Mercer County areas. We specialize in the care and treatment of conditions that affect the joints, muscles, bones, and immune system.