Center for Digestive Health

Dr. Michael Dohrenwend M.D.,  Board Certified Gastroenterologist

256.430.4427 phone

256.430.4335 fax


Michael P. Dohrenwend, M.D. is board certified in Gastroenterology. He earned a B.S. in Biochemistry (1985) and M.D. (1989) from Indiana University. He completed his Internal Medicine Residency at USF in Tampa (1992), and GI Fellowship at UAB (1995). He does endoscopies at Madison Surgery Center on Tuesdays and Thursdays and Crestwood Hospital on Monday and Friday. Dr. Dohrenwend does general gastroenterology and hepatology including special interest in: Colon Cancer Screening, Hepatitis B/C, GERD Management, Barrett's Esophagus, and HALO Ablation.

Karen Fox is a Certified Adult Nurse Practitioner that joined the Center for Digestive Health in 2013. Ms. Fox graduated with her Master's degree from the University of Maryland with honors in 1993. She brings with her 21 years of experience in the areas of Internal Medicine, Management and Physical Rehabilitation medicine. Karen is a member of NANPA, North Alabama Nurse Practitioner Association and ACG, American College of Gastroenterology.

More Information

Below are some of our suggested websites to find out more about specific gastroentestinal conditions.


Nurse Practitioner

Our Recent Articles Published in Inside Medicine magazine:

    Colon Cancer

Esophageal Cancer

      Hepatitis C

Physicians Assistant

Anna Summerford, PA-C, joined Center for Digestive Health in 2019. She received her Masters in Physician Assistant Studies at the University of Alabama at Birmingham, graduating with honors in 2018 and is board-certified by the National Commission on Certification of Physician Assistants. Anna is a member of the American College of Gastroenterology and the American Academy of Physician Assistants.

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Dr. Michael Dohrendwend, Board Certified Gastroenterologist

7738 B Madison Blvd Huntsville, AL 35806