Colon Polyps & Cancer
For Your Visit
The Center for Colonoscopy Excellence, a division of San Francisco Gastroenterology, was founded by Dr. Frank Farrell, a board-certified gastroenterologist and San Francisco physician of nearly 20 years. Our physicians and staff are dedicated to providing the most comfortable and professional colonoscopy experience available while utilizing state-of-the-art equipment and technology. The Center for Colonoscopy Excellence is the first in the San Francisco Bay Area to focus entirely on screening colonoscopy and to offer this service exclusively. We provide Propofol by board-certified anesthesiologists, and we are the first to implement Propofol for sedation in an ambulatory endoscopy center in San Francisco. Each of our staff members are dedicated to continually improving our standard of excellence.
Dr. Frank Farrell is board-certified in Gastroenterology and a Fellow of the American Gastroenterological Association (AGA). He has extensive experience as a gastroenterologist with an interest in colon health and screening colonoscopy. Dr. Farrell has performed over 10,000 colonoscopies during the course of his career. Dr. Farrell’s polyp detection rates and cecal intubation rates (measurement of doing a complete colonoscopy) exceed national standards, making him one of the most experienced and reliable gastroenterologists in the San Francisco Bay Area.
Dr. Farrell attended medical school at the University of California, San Francisco after earning a degree from Seattle University in Biology. He obtained a Masters in Public Health (M.P.H.) from the University of California, Berkeley, and then completed his Doctorate in Medicine (M.D.). With a passion for helping patients, Dr. Farrell went on to complete a residency in Internal Medicine at Mount Zion Hospital and Medical Center in San Francisco. After completing a year as Chief Resident in Internal Medicine, Dr. Farrell completed a fellowship in Gastroenterology at California Pacific Medical Center in San Francisco. Currently, he is Medical Director of San Francisco Gastroenterology and the Center for Colonoscopy Excellence. View Dr. Farrell’s Bio
Dr. Farrell is married and has three daughters. Dr. Farrell enjoys running, cycling, snowboarding, and traveling.
Dr. Cathleen Cabansag attended medical school at Loma Linda University after earning a degree from Pacific Union College in Foods and Nutrition. While in medical school, Dr. Cabansag participated in medical volunteer opportunities at Guam Adventists Hospital in Guam and Penang Adventist Hospital in Malaysia. She went on to complete her residency in Internal Medicine and fellowship in Gastroenterology at California Pacific Medical Center in San Francisco.
Dr. Cabansag joined Dr. Farrell in practice after completing her Gastroenterology fellowship. Dr. Cabansag is board-certified in both Internal Medicine and Gastroenterology, and has extensive research experience. Dr. Cabansag is devoted to treating patients at the Center for Colonoscopy Excellence and San Francisco Gastroenterology. Dr. Cabansag has a special interest in women’s issues including colorectal cancer screening in women. Additionally, she enjoys teaching medical students, residents, and fellows at California Pacific Medical Center. Dr. Cabansag feels that patient education is one of her most important jobs and strives to ensure that her patients receive the high-quality care that they deserve. View Dr. Cabansag’s Bio
Dr. Cabansag is married and when not practicing medicine, she enjoys spending time with her family and discovering local restaurants with her husband.
With board certified doctors, the highest level of care and total patient comfort, patients choose the Center for Colonoscopy Excellence from throughout Northern California’s Bay Area, including Marin County, Oakland, Berkeley, Palo Alto and other local communities.
The Center for Colonoscopy Excellence, a division of San Francisco Gastroenterology, is the first in the Bay Area to comprehensively focus on screening colonoscopy. Our doctors have performed over 20,000 endoscopic procedures, placing them among the most experienced gastroenterologists in Northern California.
Over 90% of colon cancer deaths are preventable and screening is the key!
Make your health a priority and schedule an colonoscopy today »