- Universidad Francisco Marroquin, Guatemala: Bachelor of Science
- Universidad Francisco MArroquin, Guatemala: MD
- Maine Medical Center: General Surgery internship
- Maine Medical Center/TUFTS: Urology residency
Dr. Sandoval is a board certified urologist. After undergraduate studies and medical school in his home country of Guatemala, Dr. Sandoval completed his general surgery internship and urological training in Tufts associated Maine Medical Center in Portland, Maine. Now based in Cooperstown, his participation in gender Wellness Program seeks to help out patients that want the gender confirming operation of bilateral orchiectomy.
Gender Wellness Center: Serving transgender patients since 2007.