Westwood, NJ – Hackensack University Medical Group Pascack Valley is pleased to welcome Frank Lien, DO to its growing team of primary care physicians. After obtaining a Master of Biotechnology degree at the University of Pennsylvania, he received his degree in Osteopathic Medicine at the University of Medicine & Dentistry in Stratford, NJ. Dr. Lien performed his residency in Family Medicine at Morristown Medical Center where he attained the title of Chief Resident. Dr. Lien speaks English, Mandarin and Taiwanese. He is Board-certified in Family Medicine.