MARIANO PALACIOS, M. D. Graduated from Universidad Autonoma de Ciudad Juarez, Mexico in 1983. He completed his internship in Internal Medicine at Instituto Mexicano de Seguro Social in Ciudad Juarez, Mexico and residency at Mount Sinai Hospital in Chicago, Illinois. Dr. Palacios had a private practice until he joined El Paso Integrated Physicians Group in 1997 where he practices Internal Medicine.