Ardsley Internal Medicine - Concord 1085 Northeast Gateway Court Suite 200 Concord, NC 28025 Phone: 704-403-8650 Fax: 704-403-8655: Providers: Sylvie Bastadjian, MD Mark Braun, MD Leigh G. Cicci, MD Mahesh Dugal, MD Deanna Mangieri, MD Robert W. Surratt, MD Kerri-Ann R. Thompson, MD Mitzi Redmond, GNP Ardsley Internal Medicine - Harrisburg.