Dr. Paya obtained his medical degree from Mount Sinai School of Medicine in New York. He then received his surgical training from University of California, Irvine. He underwent a subspecialty in laparoscopic bariatric surgery training where he learned for an entire year how to perform bariatric surgery. Obesity is a complex, chronic disease. Many factors contribute to it. Dr. Paya has performed hundreds of laparoscopic operations. His expertise is to perform laparoscopic Roux-en-Y gastric bypass and laparoscopic gastric banding for those struggling with obesity. Dr. Paya has formulated a multi-disciplinary approach to obesity surgery which include a bariatric surgeon, anesthesiologist, nutritionist, psychologist, exercise facility and exercise trainer. An entire team will help the patient in every aspect of their new challenge. All operations are performed in hospital setting. After surgery patients join the fitness and rehabilitation course to maximize and maintain their weight loss. Dr. Paya has operated on patients all around the United States. He has written multiple chapters in books such as EDUCATIONAL REVIEW IN GENERAL SURGERY and PROBLEMS IN GENERAL SURGERY. Dr. Paya has given lectures all over United States on bariatric surgery. He is a Diplomat of American College of Surgeons and Board Certified in General Surgery. He is a member of American Society of American Gastrointestinal Endoscopic Surgeons, American Society of Bariatric Surgery and American College of Surgeons. Dr. Paya has created multiple videos on bariatric surgery, on different techniques and maneuvers for other bariatric surgeons to learn and use.