About FERN GRAPIN. Fern Grapin is a women's health care provider established in Alexandria, Virginia and her medical specialization is obstetrics & gynecology. The NPI number of Fern Grapin is 1538179593 and was assigned on August 2006. The practitioner's primary taxonomy code is 207V00000X with license number 0101039094 (VA). The provider is registered as an individual and her NPI record was ....