Dr. Bilal Hameed is a specialist who cares for patients with liver disease. His expertise includes providing care before and after liver transplantation. Hameed earned his medical degree at Dow University of Health Sciences in Pakistan and completed an internal medicine residency at the University of Minnesota. He completed a fellowship in gastroenterology at the University of Minnesota and a fellowship in transplant hepatology at UCSF. In addition to authoring numerous peer-reviewed articles, Hameed has received many awards and honors in his field. He is a member of the American Association for the Study of Liver Diseases, American Gastroenterological Association and American Society of Transplantation. Dr. Hameed is highly rated in 27 conditions, according to our data. His top areas of expertise are Nonalcoholic Steatohepatitis (NASH), Liver Failure, Non-Alcoholic Fatty Liver Disease, Liver Transplant, and Lithotripsy.

Mimi Lin is a Gastroenterologist in San Francisco, California. Dr. Lin is highly rated in 12 conditions, according to our data. Her top areas of expertise are Gastroparesis, Encopresis, Achalasia, Endoscopy, and Gastrectomy. Dr. Lin is currently accepting new patients.

Dr. Andrew Posselt, a bariatric and transplant surgeon, is co-director of the Pancreatic Islet Transplantation Program at UCSF Medical Center. He specializes in adult and pediatric kidney, liver and pancreas transplantation, as well as laparoscopic and open (traditional) bariatric surgery. In addition to caring for patients, Posselt conducts research on pancreatic islet cell transplantation, a procedure that can allow people with type 1 diabetes to discontinue insulin therapy. He also investigates mechanisms by which a transplant recipient's body rejects or tolerates tissue from a donor who isn't genetically identical, and he studies the metabolic and biochemical consequences of bariatric surgery. Posselt earned his medical degree and a doctorate in immunology from the University of Pennsylvania. He completed residencies in internal medicine and general surgery as well as a transplant fellowship at UCSF, before joining the staff in 2003. Posselt is a member of several professional and honorary societies, and has given presentations on transplant issues related to patient care and research. At UCSF, he supervises residents and fellows in transplant services and general surgery. Dr. Posselt is highly rated in 12 conditions, according to our data. His top areas of expertise are Obesity, Chronic Pancreatitis, Childhood Pancreatitis, Islet Cell Transplantation, and Sleeve Gastrectomy.

Caring, compassionate, and patient centered care. Dr. Shen is highly rated in 11 conditions, according to our data. His top areas of expertise are Jaundice, Hepatitis, Chronic Erosive Gastritis, Gastrectomy, and Colonoscopy.

Caring, compassionate, and patient centered care. Dr. Yan is highly rated in 10 conditions, according to our data. His top areas of expertise are Hepatitis, Hemorrhoids, Jaundice, Gastrectomy, and Endoscopy.

Dr. Uma Mahadevan is a gastroenterologist and director of the UCSF Colitis and Crohn's Disease Center. She is an expert on inflammatory bowel disease (IBD), particularly as it relates to pregnancy and fertility, and on managing patients with complex Crohn's disease and ulcerative colitis. In research, Mahadevan is interested in digital health for IBD and developing novel therapies for IBD, and she is involved in trials of new drugs and dietary therapies. Mahadevan earned her medical degree from the SUNY Downstate Health Sciences University College of Medicine, part of the State University of New York system. She completed a residency in internal medicine at the Mount Sinai Health System, a fellowship in gastroenterology at UCSF, and a fellowship in IBD at the Mayo Clinic in Rochester, Minnesota. Dr. Mahadevan is highly rated in 8 conditions, according to our data. Her top areas of expertise are Ulcerative Colitis, Crohn's Disease, Viral Gastroenteritis, Ileostomy, and Colonoscopy.

Francis Yao is a Gastroenterologist in San Francisco, California. Dr. Yao is highly rated in 26 conditions, according to our data. His top areas of expertise are Liver Cancer, Liver Failure, Hepatitis, Liver Transplant, and Endoscopy.

Emily Perito is a Gastroenterologist in San Francisco, California. Dr. Perito is highly rated in 12 conditions, according to our data. Her top areas of expertise are Childhood Pancreatitis, Chronic Pancreatitis, Hereditary Pancreatitis, Liver Transplant, and Gallbladder Removal.

Mandana Khalili is a Gastroenterologist in San Francisco, California. Dr. Khalili is highly rated in 10 conditions, according to our data. Her top areas of expertise are Hepatitis, Hepatitis B, Hepatitis C, and Autoimmune Hepatitis.

Michele Tana is a Gastroenterologist in San Francisco, California. Dr. Tana is highly rated in 9 conditions, according to our data. Her top areas of expertise are Autoimmune Hepatitis, Hepatitis, Primary Biliary Cholangitis, Cirrhosis, and Liver Transplant.

Douglas Corley is a Gastroenterologist in San Francisco, California. Dr. Corley is highly rated in 5 conditions, according to our data. His top areas of expertise are Colorectal Cancer, Barrett Esophagus, Familial Colorectal Cancer, Colonoscopy, and Endoscopy.

William Snape is a Gastroenterologist in San Francisco, California. Dr. Snape is highly rated in 2 conditions, according to our data. His top areas of expertise are Gastroparesis, Intestinal Pseudo-Obstruction, Gastric Dysmotility, Achalasia, and Endoscopy.

Andrew Nett is a Gastroenterologist in San Francisco, California. Dr. Nett is highly rated in 20 conditions, according to our data. His top areas of expertise are Bile Duct Stricture, Cholestasis, Bile Duct Obstruction, Endoscopy, and Gastric Bypass.

Dr. Jonathan Terdiman is a gastroenterologist who serves as co-director of UCSF's inflammatory bowel disease center and colorectal cancer prevention program. His research interests include colorectal cancer prevention, hereditary gastrointestinal cancer and inflammatory bowel disease. Terdiman earned his medical degree at Columbia University's Vagelos College of Physicians and Surgeons. He completed a residency in internal medicine and fellowships in critical care medicine and gastroenterology at UCSF. Terdiman frequently lectures in the community, at the university and for various professional organizations on the subjects he explores in his research. Dr. Terdiman is highly rated in 17 conditions, according to our data. His top areas of expertise are Crohn's Disease, Ulcerative Colitis, Viral Gastroenteritis, Endoscopy, and Colonoscopy.

caring, good listener, dedicated, intelligent, compassionate, committed, healing and reassuring. Dr. Man is highly rated in 17 conditions, according to our data. His top areas of expertise are Attenuated Familial Adenomatous Polyposis, Juvenile Polyposis Syndrome, Cronkhite-Canada Disease, Endoscopy, and Gastrectomy.

Dr. Abdul Kouanda is a gastroenterologist who specializes in caring for patients with cancerous and noncancerous diseases of the liver, bile ducts, gallbladder and pancreas. To assess and treat these conditions, he specializes in performing endoscopic procedures, including endoscopic retrograde cholangiopancreatography, which uses both endoscopy and X-rays to treat bile and pancreatic duct disorders; endoscopic ultrasound, in which an endoscope is used to pass the ultrasound transducer into the digestive tract; and endoscopic mucosal resection, a minimally invasive way to remove growths from the digestive tract lining. He works with a team of gastroenterologists, surgeons, oncologists and radiologists to provide comprehensive care. Kouanda's research interests include patient outcomes, safety, and novel therapeutic approaches in endoscopy. He is also interested in endoscopic treatments for weight loss and gastroesophageal reflux disease (GERD). Kouanda earned his medical degree from the Renaissance School of Medicine at Stony Brook University. At UCSF, he completed a residency in internal medicine and fellowships in gastroenterology and interventional endoscopy. He belongs to several professional associations, including the American Society for Gastrointestinal Endoscopy. Dr. Kouanda is highly rated in 14 conditions, according to our data. His top areas of expertise are Hereditary Pancreatitis, Cholestasis, Bile Duct Stricture, Endoscopy, and Stent Placement.

Provide state of the art medical care for our patients in a friendly, compassionate and professional setting. I listen well and try to explain things in an understandable way. Questions are welcomed. Dr. Reed is highly rated in 11 conditions, according to our data. His top areas of expertise are Turcot Syndrome, Gardner Syndrome, Familial Adenomatous Polyposis, Endoscopy, and Gastrectomy.

Nazia Hasan is a Gastroenterologist in San Francisco, California. Dr. Hasan is highly rated in 10 conditions, according to our data. Her top areas of expertise are Pancreatic Pseudocyst, Esophageal Perforation, Childhood Pancreatitis, Endoscopy, and Gastrectomy. Dr. Hasan is currently accepting new patients.

Dr. Priya Kathpalia is a gastroenterologist who cares for patients with conditions affecting the esophagus (the tube that goes from the mouth to the stomach), offering both diagnostic and therapeutic expertise. She treats esophageal motility disorders (problems with food passing through the esophagus), gastroesophageal reflux disease (GERD), eosinophilic esophagitis (chronic inflammation of the esophagus likely caused by allergies) and other complex conditions involving the first part of the digestive tract. In addition to performing upper endoscopies and colonoscopies, she uses advanced diagnostic methods, such as esophageal manometry, Bravo esophageal pH monitoring, esophageal impedance pH testing, EndoFLIP and mucosal impedance (MiVu) studies. She serves as medical director of services for patients with issues related to esophageal motility. Kathpalia earned her medical degree from Loyola University Chicago Stritch School of Medicine, where she also completed a residency in internal medicine and served as chief resident. She completed a fellowship in gastroenterology at UCSF. Passionate about medical education and curriculum development, Kathpalia directs UCSF's gastroenterology fellowship program. She also co-chairs the UCSF Medical Staff Committee on Professionalism. She is an active member of several professional organizations, including the American College of Gastroenterology, American Gastroenterological Association and American Society for Gastrointestinal Endoscopy, where she served on the training committee. She also serves on the American Foregut Society's clinical practice committee and previously was a member of the editorial board for the journal Gastroenterology . Dr. Kathpalia is highly rated in 9 conditions, according to our data. Her top areas of expertise are Achalasia, Gastroesophageal Reflux Disease (GERD), Esophagitis, Endoscopy, and Colonoscopy.

Dr. Sara Lewin is a gastroenterologist who specializes in caring for patients with inflammatory bowel diseases, disorders of the small intestine and general gastroenterology concerns. In addition to evaluating patients in the clinic, she performs procedures to examine the digestive tract. These include upper endoscopy, colonoscopy, capsule endoscopy – in which the patient swallows a tiny camera that transmits images – and double-balloon enteroscopy, in which the doctor can enhance viewing by inflating balloons attached to the endoscope. Lewin's research interests include improving care for hospitalized patients with gastrointestinal illnesses and clinical trials for novel therapeutic agents for. Lewin earned her medical degree at UCSF, where she then completed a residency in internal medicine, followed by fellowships in gastroenterology and inflammatory bowel disease. Dr. Lewin is highly rated in 5 conditions, according to our data. Her top areas of expertise are Ulcerative Colitis, Crohn's Disease, Colitis, Endoscopy, and Colonoscopy.

Dr. Matthew Y.C. Lin is a gastrointestinal surgeon who specializes in minimally invasive surgery of the upper digestive tract. He treats conditions of the bile ducts, esophagus, gallbladder, intestines and stomach. Lin is a member of the UCSF Surgical Hospitalist Program, dedicated to providing prompt surgical consultations for patients being seen on an emergency basis. Lin earned his medical degree at the David Geffen School of Medicine at UCLA, followed by a general surgery residency at Harbor – UCLA Medical Center. At UCSF, he completed a fellowship in minimally invasive and bariatric surgery, funded by the Foundation for Surgical Fellowships. Lin has been involved in important research in his field, including a study conducted by UCSF bariatric and transplant surgeons indicating that sleeve gastrectomy (removal of more than half of the stomach) may be performed safely in carefully selected morbidly obese patients with impending organ failure and also indicating that these patients' significant weight loss may make them more suitable candidates for organ transplantation. In 2012, Lin presented the results of this study – the largest of its kind to date – to the American Society for Metabolic and Bariatric Surgery. Lin has published numerous peer-reviewed articles. He is a member of the American Medical Association, American College of Surgeons, Society of American Gastrointestinal and Endoscopic Surgeons, and American Society for Metabolic and Bariatric Surgery. Dr. Lin is highly rated in 4 conditions, according to our data. His top areas of expertise are Hernia, Gastrointestinal Fistula, Retroperitoneal Inflammation, Hernia Surgery, and Gallbladder Removal.

Dr. Rishika Chugh is a gastroenterologist who cares for people with a range of digestive conditions and symptoms. She performs endoscopic procedures, such as upper endoscopy and colonoscopy, and specializes in inflammatory bowel disease (IBD), including Crohn's disease and ulcerative colitis. She directs the UCSF Intestinal Ultrasound Clinic, where ultrasound imaging is used to assess inflammation and inform treatment decisions for patients with IBD. In research, Chugh focuses on IBD. She has a particular interest in how intestinal ultrasound can reduce the need for colonoscopies, as well as MRI and CT scans, and an interest in women's health in the context of IBD. She has investigated novel IBD medications, looking at their safety and efficacy, and has examined how having IBD impacts pregnancy outcomes. Chugh earned her medical degree at Sidney Kimmel Medical College. She completed a residency in internal medicine at Montefiore Medical Center, followed by a fellowship in gastroenterology and hepatology at Yale New Haven Hospital and a fellowship in IBD at UCSF. Dr. Chugh is highly rated in 3 conditions, according to our data. Her top areas of expertise are Crohn's Disease, Viral Gastroenteritis, Ulcerative Colitis, and Hemorrhagic Proctocolitis.

Yen Quang is a Gastroenterologist in San Francisco, California. Dr. Quang is highly rated in 2 conditions, according to our data. Her top areas of expertise are Menetrier Disease, Jaundice, Familial Adenomatous Polyposis, Colonoscopy, and Endoscopy. Dr. Quang is currently accepting new patients.

Christopher Hamerski is a Gastroenterologist in San Francisco, California. Dr. Hamerski is highly rated in 25 conditions, according to our data. His top areas of expertise are Bile Duct Obstruction, Bile Duct Stricture, Cholestasis, Endoscopy, and Pancreatectomy. Dr. Hamerski is currently accepting new patients.

Sun-chuan Dai is a Gastroenterologist in San Francisco, California. Dr. Dai is highly rated in 24 conditions, according to our data. His top areas of expertise are Childhood Pancreatitis, Bile Duct Stricture, Cholestasis, Pancreatectomy, and Endoscopy.