Dr. Dennis R. Holmes is an oncologist in Glendale, California and is affiliated with multiple hospitals in the area, including Adventist Health Glendale and California Hospital Medical Center. He received his medical degree from Tulane University School of Medicine and has been in practice for more than 20 years. Dr. Dennis R. Holmes has expertise in treating mastectomy, breast reconstruction, among other conditions - see all areas of expertise. Dr. Dennis R. Holmes accepts Medicare, Aetna, Humana, Blue Cross, United Healthcare - see other insurance plans accepted.