Our Medical Provider Staff
• F. John Gies, MD, CMD
• Samantha A. Marshall, MD, CMD
• Mark D. Spencer, MD
• Stephen M. Williams, PA-C
• Colby E. Vance, PA-C
• Jason P. Davis, PA-C
• David J. Barclay, D.O
• Fred P. Miller, FNP
• F. John Gies, MD, CMD
• Samantha A. Marshall, MD, CMD
• Mark D. Spencer, MD
• Stephen M. Williams, PA-C
• Colby E. Vance, PA-C
• Jason P. Davis, PA-C
• David J. Barclay, D.O
• Fred P. Miller, FNP