Dr. Richard E. Siegelman is a Anesthesiologist in Mcallen 78503, Mcall…read moreen TX and has an experience of 46 years in this field. Dr. Richard E. Siegelman practices at Rio Grande Regional Hospital in Mcallen 78503, Mcallen TX and Rio Grande Surgery Center in Mcallen 78503, Mcallen TX. He completed Medical School from University Of Texas Medical Branch At Galveston in 1980.read less