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  Physicians & Physicians Extenders  
Our Offices
  Kingsport Map

135 West Ravine Road,
Suites 3 and 4
Kingsport, Tennessee 37660

  Bristol Map

235 Medical Park Boulevard
Bristol, Tennessee 37620

  Big Stone Gap Map

1980 Holton Avenue
Big Stone Gap, Virginia 24219


Our Physicians’ Qualifications
A gastroenterologist is a medical specialist, broadly trained in internal medicine who also has taken specialized training in the diagnosis and treatment of diseases involving the digestive system.

All Gastroenterology Associates physicians are board-certified by the American Board of Internal Medicine in the subspecialty of Gastroenterology. After completing college and four years of medical school, each of our physicians received at least five additional years of training.

That training is updated yearly through specialized courses, attendance in professional meetings, and independent reading and research. In fact, our physicians often use their expertise to instruct other physicians at medical lectures, symposiums, and seminars.

The Science Of Gastroenterology
Gastroenterology is the study of the digestive system (esophagus, stomach, small intestine, large intestine or colon, liver, pancreas, and gallbladder).

Our Physicians & Physician Extenders
Alan G. Carnell, MD
Garieann Fish, DO
Josh D. Hall, MD
Douglas E. Homoky, MD
James L. Lapis, MD
Jeffrey S. Levine, MD
Jerry F. London, MD FACP FACG
Christopher M. Mathews, MD
Rathi Narayan, MD MBA FACG AGAF
J. Michael Spear, MD
R. Douglas Strickland, MD
Erika L. Grigg, MD
Adam W. Coe, MD
Ward C. Zeno, DO
Manoj Srinath, MD
Tabitha Davidson, FNP
Mitzi Musick, ANP
Carol Sanders, FNP
Danielle O. Humphreys, FNP