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General Surgical Associates
Jeffrey K. Yenchar, M.D., F.A.C.S.
David J. Robertson, M.D., F.A.C.S.
135 North Ewing Street, Suite 304 
Lancaster, Ohio 43130
Phone number (740) 687-5437


Welcome to General Surgical Associates

Dr. Yenchar and Dr. Robertson are both affiliated with Fairfield Medical Center and Riverview Surgery Center located in 
Lancaster, Ohio.

We specialize in the following surgical procedures:

  • Advanced Laparoscopic Surgery including:
      Laparoscopic Colectomy, small bowel and gastric surgery 
  • Laparoscopic and Open Cholecystectomy 
    (gallbladder removal) 
  • Hernia repair 
  • Stereotactic Breast Biopsy 
  • Surgical treatment of Breast Cancer and benign tumors 
  • Nissen fundoplication and other treatment options for GERD (reflux) 
  • Hemorrhoid surgery ("Stapled" and Traditional) 
  • Colonoscopy 
  • Upper Endoscopy 
  • Endocrine surgery (Thyroid, Parathyroid, and Adrenal) 
  • Colon surgery for Colon cancer and other bowel disease
  • Surgical treatment of Melanomas and other skin cancers

General Surgical Associates