Dr. Clark is Board Certified in Obstetrics and Gynecology by the American Board of Obstetrics and Gynecology. He received his undergraduate degree from Penn State University and completed his medical training at Penn State University's Milton S. Hershey Medical Center.

Upon completion of a residency in Obstetrics and Gynecology at the University of North Carolina at Chapel Hill, he briefly joined a private practice in eastern North Carolina. Dr. Clark returned to his native Pennsylvania in 1984 and since that time has been with the Women's Health Center of Lebanon.

He is a Fellow of the American College of Obstetrics and Gynecology and a member of the American Society for Reproductive Medicine.