Northeast Facial & Oral Surgery Specialists, LLC | 17 followers on LinkedIn. Northeast Facial & Oral Surgery Specialists (NEFOSS) is a full scope, oral and maxillofacial surgery practice, founded by Dr. Gregg Jacob in 2017. NEFOSS focuses on treating patients in need of wisdom tooth removal, orthodontic exposure/bonding of teeth, dental implants (single unit to all-on-four), and bone grafting with a special focus on orthognathic (corrective jaw) surgery, TMJ surgery, cleft lip/palate and craniofacial syndromes including Pierre Robin sequence (distraction osteogenesis), sleep apnea, facial trauma (jaw fractures), benign tumors of the face and jaws, and cosmetics (Botox, fillers).