Clifford Perlis, MD Top Doctor 216 Mall Blvd King of Prussia, Pennsylvania, 19406 Phone: 610-337-3195 Company Name: Keystone Dermatology Partners Doctor Category: Dermatology Profile Let this business know you found them on Main Line Today's Online Directories. Locations King of Prussia 216 Mall Blvd King of Prussia, Pennsylvania 19406 Claim/Edit Listing