UCSF Benioff Children's Hospitals are consistently ranked among the nation's best children's hospitals by U.S. News & World Report. We have two main campuses serving children and their families – one in Oakland and one in San Francisco – as well as clinics throughout Northern California. Whether we're treating a rare condition or providing a routine checkup, our love of... Read More about UCSF Pediatric Urology Clinic

Dr. Gomes de Oliveira is an oral maxillofacial surgeon, head and neck surgeon, and sleep specialist with the Stanford Health Care Sleep Surgery Program. He is also a clinical assistant professor in the Department of Otolaryngology – Head and Neck Surgery, Division of Sleep Surgery at Stanford University School of Medicine. Dr. Gomes de Oliveira specializes in orthognathic (jaw) and... Read More about Pedro Martins Gomes de Oliveira, MD

Dr. Pradeep Kumar Siddappa is a board-certified, fellowship-trained gastroenterologist with Stanford Health Care. He is also a clinical assistant professor in the Department of Medicine, Division of Gastroenterology & Hepatology at Stanford University School of Medicine. Dr. Siddappa specializes in advanced endoscopy procedures to diagnose and treat gastrointestinal conditions. He focuses on pancreatic care, including acute and chronic pancreatitis, pancreatic... Read More about Pradeep Kumar Siddappa, MD

Dr. Poultsides is Section Chief of Surgical Oncology and Professor of Surgery at Stanford University. He is a high-volume oncologic surgeon specializing in the management of complex cancers of the pancreas, liver, stomach and retroperitoneum. He joined Stanford in 2009 after completing fellowship training in Surgical Oncology at Memorial Sloan Kettering and in Hepato-Pancreato-Biliary (HPB) Surgery at Johns Hopkins. From... Read More about George A. Poultsides MD

Renumathy Dhanasekaran MD is an Assistant Professor in the Division of Gastroenterology and Hepatology at the School of Medicine, Stanford University. Her primary research goal is to explore the molecular biology of liver cancer in order to identify novel biomarkers and molecular-targeted therapies. She conducts basic and translational research to understand the molecular mechanisms of liver cancer metastasis and dormancy... Read More about Renumathy Dhanasekaran, MD

Dr. Whang is a board-certified general surgeon whose primary focus is minimally invasive surgery. Before joining Stanford Health Care, Dr. Whang worked in private practice for 18 years. Her clinical experience includes training in laparoscopic ventral hernia surgery, laparoscopic urological surgery, and laparoscopic pediatric surgery taught by the International Pediatric Endosurgery Group. She is certified in Robotic Surgery. Her clinical... Read More about Karen Whang, MD, FACS

Dr. Kelly is a fellowship-trained rheumatologist with board certification in rheumatology and internal medicine. She treats patients at Menlo Medical Clinic. She values the opportunity to provide in-depth care for patients with complex rheumatologic diseases. Her goal is to help patients manage their arthritis to allow for a more active lifestyle. Dr. Kelly enjoys the long-term relationships she develops with... Read More about Victoria Marie Kelly, MD

Brian Nuyen, MD, is a board-certified otolaryngologist-head and neck surgeon and fellowship trained laryngologist who developed a keen interest and passion for head and neck gender affirmation for transgender/gender-nonconforming communities during his residency at Stanford Medicine. He completed his James Thomas, MD Voice Surgery Fellowship 2021-2022 in Portland, Oregon subspecializing in gender-affirming voice medicine and surgery. He was a visiting... Read More about Brian Anthony Nuyen, MD

Dr. Ahmed is an internationally recognized hepatologist with expertise in the treatment of acute and chronic liver diseases. He is a board-certified specialist in gastroenterology and hepatology, transplant hepatology, and obesity medicine. Currently, he serves as the Medical Director of the Adult Liver Transplant Program at Stanford University. Dr. Ahmed graduated from Dow Medical College, Karachi, Pakistan. He completed his... Read More about Aijaz Ahmed, MD

Dr. Andrew Rozelle is board certified in Rheumatology. A Houston, TX native, Dr. Rozelle has been a California transplant since 2002 when he arrived for training in Internal Medicine then Rheumatology at Stanford University. Prior to joining the Menlo Medical Clinic, Dr. Rozelle worked for over 15 years at the Palo Alto Medical Foundation. He enjoys building trusting relationships with... Read More about Andrew Rozelle, MD, PhD

Dr. Bishop specializes in treating fractures of the upper extremity, lower extremity, pelvis and acetabulum as well as the management of post-traumatic problems including malunion, nonunion and infection. He received his undergraduate and medical school degrees from Harvard University and went on to complete the Harvard Combined Orthopaedic Surgery Residency Program. He pursued his subspecialty training in Orthopaedic Traumatology at... Read More about Julius Bishop, MD

Theresa Lii, M.D., currently holds the positions of Clinical Scholar and postdoctoral researcher at Stanford University, and is part of the Stanford Fellowship in Anesthesia Research (FARM) program. Her research interests include evaluating the effectiveness of non-opioid pharmacologic treatments for chronic pain, as well as exploring the impact of rapid-acting psychiatric interventions for patients with acute and chronic pain.

The management of inflammatory bowel disease continues to evolve, with the introduction of biologic and small molecule therapies and new goals of treatment, with an emphasis on healing the bowel. My career goal since my graduation from IBD fellowship in 2012 has been to improve the outcomes and quality of life of patients with inflammatory bowel disease. In line with... Read More about Kian Keyashian, MD

I am passionate about gut health and strive to provide the best care to my patients. I specialize in complex motility disorders of the gastrointestinal tract. My areas of clinical expertise include achalasia, dysphagia, eosinophilic esophagitis, gastroesophageal reflux disease, gastroparesis, functional dyspepsia, irritable bowel syndrome, and pelvic floor dysfunction. I also see patients in need of fecal microbiota transplant for... Read More about Irene Sonu MD

Our surgeons are at the forefront of innovative treatments for a wide range of digestive health disorders and diseases. Combining extensive experience with unmatched expertise, we specialize in the latest minimally invasive techniques. Our goal is to help you feel better with effective treatments, personalized care, and comprehensive support.