Mary K. Craddock, MD, has been an anesthesiologist for nearly four decades. She specializes in all facets of anesthesiology with special expertise in pain medicine and ophthalmology. Dr. Craddock serves at her private practice in Chevy Chase, Maryland, but also at Friendship Ambulatory Surgery Center. She additionally holds hospital privileges at Sibley Memorial Hospital. Dr. Craddock received her medical degree in 1971 from Jefferson Medical College and then trained at Thomas Jefferson University and MedStar Georgetown University Hospital (General Surgery and Anesthesiology residency). She is certified in pain management and anesthesiology by the American Board of Anesthesiology and is a distinguished member of the American Society of Anesthesiologists, District of Columbia Society of Anesthesiologists, American Medical Association, Ambulatory Surgery Center Association, Society for Ambulatory Anesthesia, and Society for Pain Practice Management.

Carey Walter F. Closson, MD, works at National Spine and Pain Centers in Bowie, Maryland. He is an expert on interventional pain management, and has worked at this practice since 2007. From 2003-2007, he served the University of Maryland's department of anesthesiology as a clinical instructor of anesthesiology and pain management. Dr. Closson also has special clinical interests in low back pain, complex regional pain syndrome, and stimulation of the peripheral and central nervous systems.