• Dr. Douglas Krohn is board-certified in family medicine. Dr. Krohn obtained his medical degree from Universidad de Monterey School of Medicine in Nuevo Leon, Mexico. His internship and a residency in family medicine were completed at St. Joseph’s Medical Center. He is the chairman of the department of family medicine at Somerset Medical Center. Dr. Krohn is a member of the American Academy of Family Practice, the Medical Society of New Jersey, the NJ Academy of Family Practice, and the Somerset County Medical Society.