Dr. Richard C. Diehl is an orthopedist in Pasadena, California and is affiliated with multiple hospitals in the area, including Huntington Health Medical Center-Pasadena and Glendale Memorial Hospital and Health Center. He received his medical degree from University of Pittsburgh School of Medicine and has been in practice for more than 20 years. Dr. Richard C. Diehl has expertise in treating knee injury, bursitis, rotator cuff injury, among other conditions - see all areas of expertise. Dr. Richard C. Diehl accepts Humana - see other insurance plans accepted.