Eugene J. Choi Top Doctor 1500 South Lansdowne Avenue Darby, Pennsylvania, 19023 Phone: 610-237-7950 Company Name: Mercy Oncology Doctor Category: Hematology and Oncology Profile Let this business know you found them on Main Line Today's Online Directories. Locations Darby 1500 South Lansdowne Avenue Darby, Pennsylvania 19023 Claim/Edit Listing