March is Colorectal Cancer Awareness Month

Schedule Your Colonoscopy Today!

Minimally Invasive Surgery

da Vinci® Robotic Surgery

Inflammatory Bowel Disease

Expert Surgical Care


San Jose’s Leading Surgeon


What To Expect

Colon and Rectal Surgeon in San Jose, CA

Aaron B Parrish, MD

Proctologist Aaron B. Parrish, MD specializes in minimally invasive colon and rectal surgery. This includes laparoscopic, robotic, and transanal minimally invasive surgery (TAMIS). Dr. Parrish trained at Cedars-Sinai where he perfected these techniques. In addition, he received his DaVinci Robotic certification at that time. These techniques can be applied to surgery for colon and rectal cancer, diverticular disease, inflammatory bowel disease, and pelvic floor disorders such as rectal prolapse and obstructed defecation.

In addition to minimally invasive surgery, Dr. Parrish also performs surgery for anorectal diseases such as anal fissure, abscess, and fistula, hemorrhoids and tags, local excision of polyps, and early cancers.

Dr. Parrish performs colonoscopies for screening and diagnostic purposes (bleeding, change in bowel habits, abdominal pain, diarrhea). Endoscopic procedures include polypectomy, biopsies, tattoo injection, clipping, and precise evaluation of pathology prior to surgery.

Learn More About Us

News & Events

Let’s Talk About S*it

JSV Women’s Community Presents Join us to talk about survival, persistence and tenacity. Featuring, cancer THRIVER Jenessa Schwartz in an honest,…

Colonoscopy Age Changes

Schedule Your Colonoscopy Today! Colorectal cancer incidence has been increasing for those less than 50 years of age, which is a huge problem since screening has traditionally began at age 50.…