Haddis Hagos, MD, DABA, DABA-PM, is the medical director at Pain Management Associates LLC in Greenbelt, Maryland. After finishing his training in anesthesiology and pain management at the New York Medical College, Dr. Hagos joined the Washington Hospital Center as an attending physician in 1992. Dr. Hagos has been in interventional pain medicine practice since 1992, when he worked initially as an anesthesiologist/pain management physician at the Washington Hospital Center. He later became Director of Pain Management at the Washington Hospital Center and served in that capacity for several years.