Specializing in internal medicine and nephrology, Dr. Alak Ray, MD is one of the country's top rated doctors. He currently sees patients in Dallas, Texas and Houston, Texas, Houston, Texas, and Houston, Texas and Brentwood, Tennessee. Dr. Ray is a graduate of University Of Calcutta, R.g. Kar Medical College (1979) and is licensed to practice medicine at Texas. Dr. Ray is rated among the top 20% of doctors in the United States, based on his experience, network and credentials. Dr. Ray has been found to hold one or more active medical licenses, and successfully passed a malpractice history screening.