Dr. Johnston was born in New Orleans and is a graduate of California Polytechnic State University. He obtained his medical degree at Louisiana State University in New Orleans. His anesthesia residency and pain fellowship were both completed at Harvard’s School of Medicine. Dr. Johnston is a member of the Louisiana State Medical Society, and the American Society of Interventional Pain Physicians. He is board certified by the American Board of Anesthesiology and the American Board of Anesthesiology Pain Medicine Certification.

Dr. Crosby began his career as an anesthesiologist in Northwest Louisiana, but the desire to treat patients on a more personal level led him to pursue a career as a pain management physician. He completed his interventional pain fellowship at Texas Tech University in Lubbock under Dr. Miles Day, an international lecturer and instructor. He also worked with Dr. Gabor Racz, a world-renowned pioneer in the field of interventional pain and a charter member of the World Institute of Pain and the National Pain Foundation. Dr. Crosby offers multiple methods of controlling pain, including ultrasound-guided and fluoroscopically guided procedures, peripheral nerve ablation, and the latest advances in spinal cord neuromodulation/surgical techniques. He is a highly trained, board-certified anesthesiologist at Louisiana Pain Specialists.