Our surgical teams have performed surgical procedures from the most advanced surgical treatments for colon cancer to same-day laparoscopic surgeries

Meet Our Trauma & Critical Care Surgeons

Sheree Bray, MD, FACS

Dr. Bray earned her residency in General Surgery at York Hospital, York, PA. She received her Medical Degree and completed her fellowship at Eastern Virginia Medical School, Norfolk, VA.


Board Certification: American Board of Surgery


Clinical Skills & Interests:  Trauma, Surgical Critical Care

J. Bracken Burns, Jr., DO, FACOS

Dr. Burns earned his residency in General Surgery at Ohio University College of Osteopathic Medicine, Doctors Hospital, Columbus, Ohio, 2002-2006,  and his Osteopathic Internship at Ohio University of Osteopathic Medicine, Doctors Hospital, Columbus, Ohio, 2001-2002. He finished his fellowships in Surgical Critical Care at University of Cincinnati College of Medicine, The University Hospital, Cincinnati, Ohio, 2006-2007.  He received his DO Degree at the Lake Erie College of Osteopathic Medicine, Erie Pennsylvania, 2001

Board Certification(s): American Osteopathic Board of Surgery, General Surgery - 2006, Surgical Critical Care - 2008


Clinical Skills & Interests:  Trauma, Disaster Management, Resident Education

Diane Cobble, MD

Dr. Cobble earned a Bachelor of Science from ETSU in Johnson City, TN and her medical degree from ETSU/QCOM. She obtained her surgery residency at the ETSU/QCOM Department of Surgery.

Christy M. Lawson, M.D.

Christy M. Lawson, M.D. earned her medical degree from the Medical College of Georgia School of Medicine. She obtained her surgery residency and surgical critical care fellowship at the University of Tennessee Medical Center at Knoxville.

George Testerman, MD

Dr. Testerman received his medical degree at the University of Tennessee, College of Medicine, Memphis, TN. He completed his residency at the New York University Medical Center, Bellvue Hospital,  Manhattan VA Hospital, Booth Memorial Medical Center, New York, NY. He completed his Fellowship at the Shock Trauma Center, University of Maryland Medical Center, Baltimore, MD.

John Benjamin Yarger, MD

​Dr. Yarger earned his medical degree from The University of Toledo College of Medicine, 2005-2009. He obtained his surgery residency at Danbury Hospital, CT, 2009-2015. He completed his fellowship at Surgical Critical Care Fellowship, University of Missouri, Columbia, MO.

Please reload

  • Facebook Social Icon
  • Twitter Social Icon
Please reload

Please reload

ETSU | Quillen College of Medicine

Interested in becoming a Physician?  

Find out more at  ETSU Quillen College of Medicine 

© 2020 ETSU Physicians. All Rights Reserved