Dr. John P. Hoying is a rheumatologist in Torrance, California and is affiliated with multiple hospitals in the area, including Providence Little Company of Mary Medical Center Torrance and Torrance Memorial Medical Center. He received his medical degree from Medical College of Ohio and has been in practice for more than 20 years. Dr. John P. Hoying has expertise in treating kidney disease, bursitis, rotator cuff injury, among other conditions - see all areas of expertise. Dr. John P. Hoying accepts Medicare, Aetna, Humana, Blue Cross, United Healthcare - see other insurance plans accepted.