Colon & Rectal

Each year, more than 600,000 surgical procedures are performed in the United States to treat a number of colon diseases. Although surgery is not always a cure, it is often the best way to stop the spread of disease and alleviate pain and discomfort.

Epic Care’s Colorectal Surgeon, Dr. Guevara, is board certified in both General and Colon and Rectal surgery and is well-versed in the treatment of both benign and malignant diseases of the colon, rectum and anus.

Now performing advanced robotic colon and rectal surgery at at both John Muir Health, Walnut Creek and Concord and San Ramon Regional Medical Center.

For a referral, consult appointment, or to schedule surgery, please call (925) 338-8511.


Conditions & Diseases

We understand being diagnosed with any of the below diseases can be scary and stressful. You probably have a lot of questions all of which we’ll answer at your first appointment. Till then, our goal is to arm you with accurate and complete information. Details about many of the below conditions and diseases are provided here.

  • Anorectal Conditions (Dysplasia, Abcess, Fissure, Hemorrhoids, etc.)
  • Cancer (Anal, Colon, Rectal, Neuroendocrine Tumors)
  • Diverticular Disease
  • Inflammatory Bowel Disease (Crohn’s Disease and Ulcerative Colitis)
  • Ostomy (Ostomy Reversal Surgery and Parastomal Hernia Repair)
  • Pelvic Floor Disorders (Constipation, Incontinence, Anorectal or Pelvic Pain, Rectal Prolapse)
  • Surgery Procedures (Minimally Invasive, Robotic, Transanal)