Dr. Mark A. Dettelbach is an ENT-otolaryngologist in Chevy Chase, Maryland and is affiliated with multiple hospitals in the area, including Children's National Hospital and Johns Hopkins Medicine-Sibley Memorial Hospital. He received his medical degree from Yale School of Medicine and has been in practice for more than 20 years. Dr. Mark A. Dettelbach accepts Medicare, Aetna, Humana, Cigna, Blue Cross, United Healthcare - see other insurance plans accepted. Dr. Mark A. Dettelbach is highly recommended by patients.