ROS - Administration Office

The ROS administration office is home to our senior administration staff as well as to our departments of human resources, information technology, quality improvement, accounting and billing.

  • John Warner Ray, MD, FACRO – Medical Director/Chief Executive Officer
  • Laurie Ray Harrell, MD – Vice-President
  • Cathy Speir – Chief Administrative Officer
  • Lynn Wilson – Chief Financial Officer
  • Sasha Wahab, MD – Chief Clinical Officer
  • Mendy Whitworth – Director of Operations
  • Vickie Dauenhauer – Director of Human Resources
  • Greg Wilson – Director of Information Technology
  • Michele Ogletree, RN – Director of Quality Improvement
  • Pam Aycock – Director of Accounting Services
  • Nelda Champagne – Patient Financial Services
  • Kim Burgess – Credentialing Coordinator

275 Professional Court, Suite A
Riverdale, GA 30274
Phone: 770.994.1650
Fax: 770.994.1645