Freeman Heart & Vascular Institute - Parsons 1902 South US Highway 59 Building E, Suite 202 Parsons, Kansas 67357 620.421.5203 Providers at Freeman Heart & Vascular Institute - Parsons W. John Nicholas, MD 620.421.5203 Meet Dr. Nicholas Tiffany Main, NP 620.421.5203 Meet Tiffany Christine Chambers, MSN, FNP 620.421.5203 Meet Christine