Usah Nalamalapu, M.D. Dr. Nalamalapu joined The Medical Group in 2007 and specializes in pulmonology and sleep medicine. She has an extensive background in treating sleep disorders, and is Board Certified in Sleep Medicine, Pulmonary Medicine, Internal Medicine, and Critical Care Medicine. She earned her medical degree from Sri Venkateswara Medical College in India, and served Internal Medicine internships and residencies in both India and the United States. She completed a Fellowship in Sleep Medicine from the Sleep Disorders Center in Philadelphia, and a Fellowship in Pulmonary and Critical Care at Maine Medical Center in Portland. close this window