Dr. Aaron M. Lehman is an internal medicine/pediatric specialist in Ramona, California and is affiliated with multiple hospitals in the area, including Kaiser Permanente San Diego Zion and San Diego Medical Center and Palomar Medical Center Escondido. He received his medical degree from University of Arizona College of Medicine-Tucson and has been in practice for more than 20 years. Dr. Aaron M. Lehman accepts Medicare, Blue Cross, Kaiser, United Healthcare - see other insurance plans accepted. Dr. Aaron M. Lehman is highly recommended by patients.