Dual-Certified Plastic Surgeon With Over 29 Years Experience. Dr. Ronald DeMars is a skilled plastic surgeon providing patients in the Portland area exceptional aesthetic results for more than 29 years. Why choose Dr. DeMars when considering plastic surgery? Dr. DeMars combines his skill and vision as a surgeon with a compassionate approach to all his patients. Dr. DeMars specializes in: • Breast Enhancement • Body Contouring • Facial Rejuvenation • Liposuction • Rhinoplasty • And More Dr. DeMars is certified by both the American Board of General Surgery and the American Board of Plastic Surgery. His surgical expertise, state-of-the-art facilities and talented medical team means the highest quality plastic surgery treatment for his patients. Dr. DeMars understand the personal decision-making process involved when choosing surgery. He will help you through the process by discussing your choices so you will be comfortable with the process, the procedure and the outcome. Call Dr. DeMars to schedule a consultation today.