Lower Merion Family Medicine : Family Medicine: Narberth, PA top www.lmfammed.com. As an experienced, friendly, and compassionate family care physician at Lower Merion Family Medicine in Narberth, Pennsylvania, Ritu Aggarwal, MD, is popular with patients of all ages. Dr. Aggarwal offers personalized care for patients from birth to age 99, including annual physicals, immunizations, gynecologic ....