John Witherell MD Top Doctor 30 Medical Center Blvd Ste 104 Chester, Pennsylvania, 19013 Phone: 610-874-5261 Company Name: Ophthalmic Surgical Associates Doctor Category: Ophthalmology Profile Let this business know you found them on Main Line Today's Online Directories. Locations Chester 30 Medical Center Blvd Ste 104 Chester, Pennsylvania 19013 Claim/Edit Listing