John Freehafer MD 42 Linfield Trappe Rd Ste 100 Royersford, Pennsylvania, 19468 Company Name: PMA MEDICAL SPECIALISTS LLC Doctor Category: Internal Medicine Profile Let this business know you found them on Main Line Today's Online Directories. Locations Royersford 42 Linfield Trappe Rd Ste 100 Royersford, Pennsylvania 19468 Claim/Edit Listing