Management Team

Dallas S. Bunton, Sr. - Chairman and CEO
Collection Specialist credited by the American Collectors Association and American Association of Healthcare Administrative Management (AAHAM). Dallas has been in the collection industry since 1973. He joined NACS in 1982 and through his leadership further developed and expanded Medical Services of Chattanooga. Dallas has developed several programs for hospitals nationwide that include Early-out/Self-pay issues and insurance follow-up for settlement of outstanding balances. Dallas is also a Certified Instructor for the American Collectors Association and holds the Fellows Degree in Collection Business, and has received the International Federation of Certified Collectors award. While developing the Revenue Cycle within the collection industry he branched out into the Medical Billing Service sector. Providing billing services for a number of professional services (pro fee) billing. Certified coders were added, compliance audits and HIPAA Compliance all became a standard of over all Medical Billing Revenue Cycle for the clients of both Extended Business Office and Pro Fee Billing. 

Beverly J. Bunton - Senior Vice President
Beverly is the great-granddaughter of Hunting Horse, the great leader and scout of the Kiowa Indian Tribe in Oklahoma. She was raised by her grandparents, Cecil and Jeannie Horse. She joined NACS in 1982 and has worked in the collection industry since 1977, and she is the Senior Vice President of NACS. Over the past 25 plus years, Beverly has helped develop a number of administrative processes that enhance the productivity and management of administrative issues. These have carried over from what started in the collection arena and now assist with some of the same responsibilities of the billing cycle. Beverly is a Corporate Officer of the NACS Corporate Campus of Services and is responsible for the administrative team that supports and provides employee services, all client placements, contracts, and programming.

Dusty Vigil - Chief Operating Officer

Dusty initially joined NACS and Medical Services in 1999 where she obtained hands-on work experience in various divisions and departments throughout the company including: executive administration and communications. Following achieving a B.A. in English Literature and History from the University of Tennessee at Chattanooga (UTC) in 2006, she taught High School English and Public Speaking for an interim period. Upon returning back to the company in 2010 she worked in the Accounting Department which led to her further promotion in 2012 as Director for the Medical Services Early Out division. 

Rob Hayes, Jr. - Vice President Marketing and Client Services
Rob is a 1982 graduate of Columbus State College, school of Business Administration and Management, in Ohio. He has worked as a Director of Patient Business in the healthcare field for 13 years. He is presently Vice President for Marketing and Strategic Planning. He works daily with billing and follow-up issues. He is one of the profile leaders in Medical Services and leads several capacities. He was recently certified as a Healthcare Collection Specialist, credited by the American Collectors Association of Healthcare Administrative Management. Rob is a certified Healthcare Collection Specialist credited by the American Collectors Association and AAHAM.
Joel Henderson - Vice President Public Affairs and Legislative Liaison 
Joel has worked in healthcare management for over 19 years. He is a 1994 graduate from Southern Adventist University with a Bachelor of Arts degree from the School of Journalism and Communications. Prior to joining NACS in 2009, Joel managed a multi-million dollar, federally funded 'Healthy Community Access Program' in Central FL, which served the indigent care needs to health access and included the establishment of a volunteer physician network, rural mobile medical initiative, Pharmacy Co-Op and a community-driven 'Health Issues Task Force'. Through the years Joel has served on numerous community boards and currently serves on the Chattanooga Area Chamber of Commerce Ambassador Board as President and Leadeship Chattanooga Alumni Association as Communications Chair, the American Cancer Society's Mid-South Region as Chairman of the Board, and Past President of the Public Relations Society of America for the Lookout Chapter. Joel is also an active member of Rotary International and ACA International's Legislative Committee.
Tracie Todd - Vice President Corporate Services
Tracie has worked in Administration since 1992 having transitioned from part-time to full-time with the opportunity of having worked in each of the admin roles through her years of dedicated service. She has been promoted over the years in various positions for her demonstrated leadership of responsibilities. Since 2001 she has served in the role of Assistant to Senior Vice-President and Corporate Coordinator to the company's Senior VP and CEO. Tracie is accountable for client contract processing, client file set-up and new account payment processing. She is responsible for coordination of processes between clients, executive management and clients an all campus relationships.
Dallas S. Bunton, Jr. - System Administrator
Dallas Jr., has worked in the collection industry since 1986. He is responsible for the System Operations, and he works with all clients on development of file transfers and communications. Dallas is a certified ACA Scholar in Collection Business Management, State of Tennessee Collection Service Location Manager, and holds the following IT Certifications, MCITP, MCTS, MCSA 2003 / 2000, MCP, Network+ and Linux+ certifications. 
Mike Brewer - Corporate Operations Officer and Extended Pay Division Director
Mike is a 1992 graduate of Southern Adventist University, from the School of Business in Collegedale, TN and holds a degree in Business Administration. Mike initially came to work at NACS in 1994 however left in 2000, where he worked as a Financial Advisor with National Financial services management field, as well as began and operated his own successful business. Mike returned to NACS in 2008 to lead out as Director of the Consumer Financing Division for Medical Service of Chattanooga and presently also serves as the Corporate Operations Officer for NACS. 

Mark Sagert - Director South Eastern Division
Mark joined NACS in May 2002. After completing his Military obligation he spent 2 ½ years as a Collection Manager for Commercial Credit Corporation. He followed this position with 1 year as an Insurance Adjuster with Safeco Insurance Company. He began his healthcare career in January of 1975, as PFS Director at Castle Memorial Hospital in Hawaii and moved to Florida Hospital in Orlando, (currently 8 hospitals in the central Florida area), in 1977 to serve as Assistant PFS Director. From 1978 through 1981 he served as Director of Internal Audit and Systems Development and became PFS Director in 1982 and served in that capacity until he began his work at NACS. He completed his Bachelor of Science in Business Administration at Southern Missionary College in 1970 (currently known as Southern Adventist University) in Collegedale, TN, his Master's of Business Administration from Georgia State University in 1977 and in 1981 his Bachelor of Science in Social Science from Rollins College in Winter Park, FL. 

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Corporate Office 2810 Walker Road · Chattanooga, TN 37421
Mailing Address: P.O. Box 182221 · Chattanooga, TN 37422
Toll free: 800.844.5654 · Local: 423.894.5654