New Patient Paperwork

Prescription Refill

Privacy Policy




Helpful Links:

Colonoscopy Information

Colonoscopy FAQ

Colonoscopy (Spanish)

Upper Endoscopy

Upper Endoscopy (Spanish)

Capsule Endoscopy




Other Helpful Links:

American Cancer Society

American College of Gastroenterology

Crohn's and Colitis Foundation

American Society of Gastrointestinal Endoscopy


About us


Doctor Michael J. Rensch is proud to bring over 20 years of medical experience to the Texas Hill Country, the people of Kerrville and Kerr County. A native of Minnesota, Doctor Rensch completed an undergraduate degree in science at the University of Notre Dame, his medical degree at the University of Minnesota, and his training in medicine and gastroenterology at Fitzsimon’s and Brooke Army Medical Centers. He is double board certified in Internal Medicine and Gastroenterology. Doctor Rensch has proudly served his country through active duty military and reserve service for over 20 years.
Dr. Rensch is described as affable, available and able. He genuinely believes that every patient deserves respect, and that evaluations should be thorough and appropriate. He believes that your time is as valuable as his own.
Dr. Rensch moved to the Hill Country to provide gastroenterology care as he realized the increasing medical need in Kerrville, Kerr Country, and patients at Peterson Regional Medical Center.

Peterson Ambulatory Center


Career Highlights