Ronald Barkley, MD, Gastroenterology, Denison, TX, Wilson N. Jones Regional Medical Center


Gastroenterology Denison, TX


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  • I am a board certified specialist in gastroenterology and have been in private practice in the Sherman-Denison Texas area since 1977. I established a group GI practice in 1977 with J. Thomas Fletcher M.D. and we're joined by Glenn Young M.D. in 1980, Gregg Farrell M.D. in 1988, and Razi Arifuddin M.D. in 2008. Bobbi Maxwell N.P. has been with the group since 2000.

Education & Training

  • University of Texas Health Science Center - San Antonio
    University of Texas Health Science Center - San AntonioRESIDENCY
  • University of Texas Medical School
    University of Texas Medical SchoolMEDICAL_SCHOOL

Certifications & Licensure

  • TX State Medical License
    TX State Medical License 1972 - 2021

Hospital Affiliations