Michael Walker, MD Top Doctor 830 Old Lancaster Rd Bryn Mawr,, Pennsylvania, 19010 Phone: 610-527-1600 Company Name: Main Line HealthCare Thoracic Surgery Doctor Category: Oncology: Lung Profile Let this business know you found them on Main Line Today's Online Directories. Locations Bryn Mawr, 830 Old Lancaster Rd Bryn Mawr,, Pennsylvania 19010 Claim/Edit Listing