Directory /Virginia IOP & PHP directory Virginia 4 treatment locations in Virginia. Locations Encore Outpatient Services — ArlingtonArlington · IOP↗ Pasadena Villa Outpatient — Fair LakesFairfax · PHP · IOP↗ Pasadena Villa Outpatient — NorfolkNorfolk · PHP · IOP↗ Pasadena Villa Outpatient — Richmond (Glen Allen)Glen Allen · PHP · IOP↗