Patient reviews placed him at an average of 4.5 stars out of 5. Dr. Ruiz's areas of expertise include diabetes, chronic sinusitis, and emphysema. He accepts several insurance carriers, including Humana HMO, Humana Bronze, and Humana Catastrophic. His education and training includes medical school at the University of Kansas School of Medicine and residency at Weiss Memorial Hospital. He is affiliated with Menorah Medical Center.