Corinna Boswer Top Doctor 825 Old Lancaster Road, Bryn Mawr Lower Merion Township, Pennsylvania, 19041 Phone: 484-270-8584 Company Name: Bryn Mawr Medical Specialists Association Doctor Category: Allergy and Asthma Profile Let this business know you found them on Main Line Today's Online Directories. Locations Lower Merion Township 825 Old Lancaster Road, Bryn Mawr Lower Merion Township, Pennsylvania 19041 Claim/Edit Listing