About ROLAND DESMARAIS. Roland Desmarais is an internal medicine provider established in Woonsocket, Rhode Island and his medical specialization is internal medicine. The NPI number of Roland Desmarais is 1609947472 and was assigned on November 2006. The practitioner's primary taxonomy code is 207R00000X with license number MD07260 (RI). The provider is registered as an individual and his NPI ....