Billie E. Green, MD. Internal Medicine. Monday / Thursday / Friday, 9 a.m. - 5 p.m.; Tuesday, 9 a.m. - 2 p.m. Recommend. 0 patient recommendations. (858) 207-3855. Billie E. Green, MD received her medical degree from St. George University School of Medicine in 1983. For her residency, she attended the State University of New York Center for ....