Who is Gerald Baltz? Gerald Baltz, who often goes by the credentials Dr. Jay Baltz, is a nursing practitioner with four active nursing licenses in California. He holds multiple nursing degrees from Saint Louis University and is permitted to prescribe medicine. His LinkedIn profile describes him as a Board Certified Psychiatric Nurse Practitioner. According to Baltz's bio on MelrosePsych, he is a DNP, PMHNP-BC who has been practicing since December 2009. He hails from St. Louis, Missouri, but moved to New York City after completing high school. In New York, he pursued a BFA degree in Creative ...