The "Keith Gardner" who filed to run against Virginia Foxx in the Republican primary on May 4 listed his address on the filing forms at the State Board of Election as 2425 N. Center St. Suite 204, which is the mailing address for the business (Admin on Call, Inc.) for which "V.K. Gardner" is listed as agent on the Secretary of State's listing.
The Watauga Democrat says he is a resident of Alexander County. "Van Keith Gardner" is indeed registered in Alexander Co. (which IS in the 5th District) at a Hickory address -- 185 Sienna Drive -- which also happens to be the registered office address for Admin on Call, Inc.
He registered to vote in Alexander County just last November 18.
Admin on Call, Inc. does not appear to have a website. It is listed on the national citysearch for Hickory as offering "legal services." The Watauga Democrat says it's a "medical practice management firm," which maybe involves "legal services." We searched several variations of the Gardner name on both the North Carolina Bar site and the NC medical registry and could not find him listed as either an attorney or a medical professional.
He has no web presence that we can locate, and other than mailing a letter to one of the addresses listed on the Secretary of State's site, we don't know how to wish him well in his quest to unseat Virginia Foxx.