Dr. Nicholas N. Nissen

Thang Nguyen is a General Surgeon in Fountain Valley, California. Dr. Nguyen is rated as a Distinguished provider by MediFind in the treatment of Biliary Dyskinesia. His top areas of expertise are Cholecystitis, Gallbladder Disease, Hernia, Gastrostomy, and Hernia Surgery.

Samuel Carvajal is a General Surgeon in Glendale, California. Dr. Carvajal is rated as a Distinguished provider by MediFind in the treatment of Biliary Dyskinesia. His top areas of expertise are Hernia, Acrospiroma, Juvenile Angiofibroma, Bladder Reconstruction, and Hernia Surgery.

Dr. Tuai attended Ohio State University, College of Medicine after he received his Undergraduate Degree in Biochemistry at UC Davis in 1992. He completed his general surgery residency at UC San Francisco/Fresno, where he spent a year as a clinical instructor in the Department of Surgery, before beginning a private practice in Chino. He joined the Group in December, 2004.Dr. Tuai is a Board Certified surgeon and a Fellow of the American College of Surgeons who has extensive experience with advanced laparoscopic and minimally invasive techniques including robotic surgery.Dr. Tuai's passion is minimally invasive surgeries, especially involving the colon, stomach, gall bladder, and hernias. He is fluent in Mandarin Chinese and Korean.Offers high-quality, individualized care with compassion. Believes communication and collaboration with patients is the foundation for effective relationships. Through effective education, patients are empowered to partner in their care and achieve their health goals. Dr. Tuai is rated as a Distinguished provider by MediFind in the treatment of Biliary Dyskinesia. His top areas of expertise are Hernia, Gallstones, Choledocholithiasis, Hernia Surgery, and Ileostomy.