Dr. Thomas J. O'keefe

Adnan Alseidi is a Surgical Oncologist in San Francisco, California. Dr. Alseidi is highly rated in 20 conditions, according to our data. His top areas of expertise are Pancreatic Cancer, Gastrointestinal Fistula, Cholangiocarcinoma (Bile Duct Cancer), Pancreaticoduodenectomy, and Hepato-Pancreato-Biliary Surgery.

Dr. Eric Nakakura is a cancer surgeon who specializes in tumors of the liver, pancreas, bile ducts and gastrointestinal tract. He also treats soft tissue sarcomas, including tumors of the retroperitoneum (a space in the abdominal cavity), trunk and extremities. At the UCSF Helen Diller Family Comprehensive Cancer Center, he helps manage complex gastrointestinal tract cancers, soft tissue sarcomas and gastrointestinal neuroendocrine tumors, including carcinoid and islet cell tumors. In his research, Nakakura studies endocrine differentiation in gastrointestinal tumors. Nakakura earned his medical degree at Stanford University School of Medicine. He earned a doctorate in cellular and molecular medicine at Johns Hopkins University. He completed a residency in general surgery at Johns Hopkins Medicine and received advanced training in surgery at the John Radcliffe Hospital in Oxford, England. At Johns Hopkins, he completed a fellowship in surgical oncology with an emphasis on pancreatic, biliary and gastrointestinal surgery. Dr. Nakakura is highly rated in 37 conditions, according to our data. His top areas of expertise are Neuroendocrine Tumor, Pancreatic Cancer, Retroperitoneal Liposarcoma, Pancreatectomy, and Pancreaticoduodenectomy.

Dr. Michael Alvarado is a cancer surgeon who cares for patients with breast cancer and melanoma at the UCSF Helen Diller Family Comprehensive Cancer Center at Mount Zion. In his research, Alvarado conducts trials of radiation therapy for breast cancer. He also studies blood-based and molecular markers with the goal of improving breast cancer screening. Alvarado earned a master's degree in chemistry at the University of Arizona and a medical degree at Dartmouth College’s Geisel School of Medicine. After completing a residency at Dartmouth-Hitchcock Medical Center, he completed a surgical oncology fellowship at the H. Lee Moffitt Cancer Center and Research Institute at the University of South Florida. Dr. Alvarado is highly rated in 10 conditions, according to our data. His top areas of expertise are Breast Cancer, Melanoma, Paget Disease of the Breast, Mastectomy, and Lymphadenectomy.