Animal Dermatology Group is part of Animal Outpatient Specialty Network (AOSN), a United States based, privately-owned, veterinary outpatient specialty company with the world’s largest unified group of veterinary specialists engaged in the specialty of surgery, dermatology, oncology, dentistry, ophthalmology, cardiology and internal medicine. In addition to providing advanced, dermatology specialized care to patients and supporting general practice veterinarians in our geographic service areas, ADG participates in drug/product development and clinical trials.