About Dr. Harinder Singh MD (he/him) is a rheumatologist in Cedar Rapids, IA. For new and existing patients, please see recommendations on how to schedule an appointment with Dr. Singh online. As a rheumatologist, he may specialize in Rheumatoid Arthritis (RA) and Polymyositis (PM), in addition to other conditions.According to our records, Dr. Singh performs Joint Fluid Extraction procedures..