Welcome to the Aesthetic Institute of Napa Valley, the state-of-the-art plastic surgery practice of widely respected, board certified plastic surgeon: Dr. John P. Zimmermann. Since 1981, Dr. Zimmermann has utilized advanced technology and techniques to help achieve advantageous patient results. We offer several procedures and treatments in: breast enhancement, facial rejuvenation, body contouring and skin renewal. Please visit our website for more detailed information or contact us directly.