Memorial Sloan Kettering medical oncologist Danny Khalil specializes in caring for people with gastrointestinal cancers, including pancreatic cancer, colorectal cancer, and hepatobiliary cancers. His research is focused on cancer immunotherapy.For general information, call Memorial Sloan Kettering at 212-639-2000, 24 hours a day, seven days a week. To make an appointment, call us at 833-501-3141, Monday through Friday between 8:00 AM and 6:00 PM ET.