Rita El-Hajj, MD Top Doctor 100 Lancaster Ave Wynnewood, Pennsylvania, 19096 Phone: 610-649-1922 Company Name: Main Line HealthCare Endocrinology Doctor Category: Endocrinology Profile Let this business know you found them on Main Line Today's Online Directories. Locations Wynnewood 100 Lancaster Ave Wynnewood, Pennsylvania 19096 Claim/Edit Listing