Dr. Joseph Barry Wechsler, a graduate of UCSF School of Dentistry, founded Lancaster Dental Group in 1988 and has been practicing dentistry for over 47 years. As the son of Dr. Jack Wechsler; an Army Dentist, Dr. Wechsler has now passed the torch to his own son, Dr. Mitch. Dr. Wechsler still comes to the office several times a month and is now in semi-retirement.