Home › Top 5 Dermatologist in King of Prussia, Pennsylvania Find best Dermatologist in King of Prussia, Pennsylvania, with all necessary contact information, including addresses, phone numbers, working hours, map locations, and website links. Dr. James R. Treat, MD US, King of Prussia, PA 19406210 Mall Blvd Advanced Dermatology and Cosmetic Surgery - King of Prussia US, King of Prussia, PA 19406170 N Henderson Rd Suite 201 Keystone Dermatology Partners US, King of Prussia, PA 19406216 Mall Blvd Schweiger Dermatology Group: King of Prussia- 1st Avenue US, King of Prussia, PA 19406860 1st Ave STE 8B Dermatology Partners - King of Prussia (PA 19406) US, King of Prussia, PA 19406200 Mall Blvd