Andrea L. Kniskern CPA, PLLC Accountants Andrea L. Kniskern CPA, PLLC 1600 S. Andy Griffith Parkway, Ste. #2 Mount Airy, NC 27030 (336) 786-8549 (336) 786-1399 (fax) About About We offer quality tax preparation (individual & business), bookkeeping, payroll, and daily money management services.