James David Knox Jr MD 135 S Bryn Mawr Ave Ste 200 Bryn Mawr, Pennsylvania, 19010 Company Name: Jennersville Family Medicine Llc Doctor Category: Family Medicine Profile Let this business know you found them on Main Line Today's Online Directories. Locations Bryn Mawr 135 S Bryn Mawr Ave Ste 200 Bryn Mawr, Pennsylvania 19010 Claim/Edit Listing