About JOOP OFFERMAN. Joop Offerman is a primary care provider established in Pittsburgh, Pennsylvania and his medical specialization is family medicine. The NPI number of Joop Offerman is 1790755668 and was assigned on January 2006. The practitioner's primary taxonomy code is 207Q00000X with license number MD039873L (PA). The provider is registered as an individual and his NPI record was last ....