Dr. Lisa Maureen Sumner, MD

Dr. Lisa Sumner is a rheumatologist with four decades of experience treating conditions affecting the joints, bones, and immune system. She earned her medical degree from Tufts University School of Medicine and has dedicated her career to helping patients manage complex rheumatologic disorders. Dr. Sumner provides care in both English and Spanish.

Dr. Sumner practices at Phoenix Indian Medical Center in Phoenix, Arizona. She specializes in treating serious conditions like granulomatosis with polyangiitis, a rare autoimmune disease that affects blood vessels throughout the body. Her expertise also includes managing both juvenile and adult osteoporosis, helping patients strengthen their bones and prevent fractures. She regularly performs diagnostic blood tests including complete blood counts and specialized enzyme testing to monitor patient health and treatment progress. Patients rate Dr. Sumner 4.0 out of 5 stars for her care.