Main MenuLAOIOur PracticePhysiciansSpecialtiesOffice VisitDirectionsContactDoctors/Staff hidden menuGregg R. Sobeck, MDDomenick J. Sisto, MDJonathan D. Botts, MDShrey M. Kanjiya, MDRichard E. Nussbaum, MDNikki Sisto, PA-CAlexandria Skow, PA-CLAOI Specialty MenuKneeShoulderSpineHipOrthopaedic SpecialtiesPartial Joint ArthroplastyGeneral OrthopedicsThe Cartilage Restoration CenterThe Sports Medicine CenterPartial Joint Arthroplasty/PFR