Our Doctors

William G.B. McCallum, M.D., FACP, FACEP

Dr. William McCallum is a board certified Internist and Emergency Medicine specialist who maintains privileges at Saint Luke's Episcopal Hospital and The Methodist Hospital in the Texas Medical Centre.

He trained at the Medical University of South Carolina in Charleston, South Carolina and St. Paul's Hospital/Southwestern Medical School in Dallas, Texas. He attained the rank of Assistant Professor of Medicine at Baylor College of Medicine. After leaving Baylor, he practiced medicine as a Senior Medical Consultant in New Zealand. Upon his return to Houston, he collaborated with Dr. Salem and provides one-on-one intensive internal medicine care both in and out of hospital for Dr. Salem's patients. Dr. McCallum is fluent in Spanish, French, German, and Italian. He relates well to patients and their families from all backgrounds.