Greg Gerrish, MD

General Surgery
Gerrish, Greg MD

About Greg Gerrish, MD

Dr. Greg Gerrish is a board certified General Surgeon who diagnoses and treats health conditions. Patients can see Dr. Gerrish directly at the Prairie Lakes Specialty Clinic with or without a referral from another physician. Conditions treated by Dr. Gerrish include, but are not limited to, acid reflux, thyroid disease, stomach ulcers, rectal/anal disorders, gall bladder disorders, hernias, and breast disease. Dr. Gerrish also offers screenings like colonoscopies.

If surgical treatment is the best option for a patient, Dr. Gerrish performs procedures at Prairie Lakes Hospital, Prairie Lakes Mallard Pointe Surgical Center, and multiple outreach locations. 

Special Interests:

  • Minimally invasive surgery
  • Surgery of the colon and rectum
  • Hernia
  • Wound Management
  • Trauma
  • Acid Reflux
  • Colonoscopy/Upper endoscopy

Resources: General Surgery Procedures  See us for lumps, bumps & belly pain  Acid Reflux Center

Office Location

Prairie Lakes Specialty Clinic
401 9th Ave NW
Watertown, SD 57201

Call for Appointment:



General Surgery

Board Certification(s):

General Surgery

Outreach Locations

Ortonville Area Health Services

Avera Milbank Medical Center (Milbank, SD)


Medical School:

University of South Dakota Sanford School of Medicine


Hennepin County Medical Center in Minneapolis, Minnesota