Duffy David M MD Dermatology, Dermatology is their Medial specialty. They are knowledgeable in the following conditions / disorders: Scars, Birthmarks, Rosacea, Scars, Birthmarks, Sun-Damaged Skin. Duffy David M MD is located on 4201 Torrance Blvd Ste 710 in Torrance. They can be reached by phone by calling (310) 370-5679 . They can be reached by calling (310) 370-5679 . They can perform the following procedures / treatments: Collagen, Fillers, Collagen Injections, Laser Skin Resurfacing, Aesthetic Procedures, Collagen Injections, Facial Peels. They have not yet been reviewed on MojoPages.com.