The Patient Portal can be used on several different devices. Pinehurst office. 289 Olmsted Blvd Pinehurst, NC 28374. 910-295-6007. Hillsborough office. 209 Millstone Drive Hillsborough, NC 27278. 919-245-5400. Durham office. 4102 Ben Franklin Blvd Durham, NC 27704. 919-972-7700..