Physician Detail
Willis Parsons

Willis Parsons, M.D.

Medical Director of the NCH Gastroenterology Center


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Board Certification(s)


Other Organization(s)

Center for Advanced Therapeutic Endoscopy

Medical School

Vanderbilt University


Brigham and Women's Hospital


Brigham and Women's Hospital


Brigham and Women's Hospital
Maine Medical Center, Portland -- Interventional Endoscopy fellowship with Douglas Howell, M.D.

Location 1

880 W. Central Road
Suite 4500
Arlington Heights IL 60005
Phone: 847-398-2777

Primary Specialty


Clinical Interests


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Cellvizio® technology spots esophageal cancer in its earliest stage

Patient Dennis Atkinson is cancer free thanks to Dr. Willis Parsons and Cellvizio technology used to magnify cell tissue in his esophagus.

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‘Why did I wait to get a colonoscopy?’

Terri Moore received a rectal cancer diagnosis and thought she was going to die. Following surgery and chemotherapy, she's now cancer free and wants to tell others about the importance of getting a routine colonoscopy to detect cancer early.

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Seeing red? It could be colorectal cancer, no matter your age

Among a younger set of patients diagnosed with colorectal cancer, Joseph House, 44, thought his rectal bleeding was due to hemorrhoids. 

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Putting the kibosh on GERD: Learn how Scott Stordahl was able to stop taking PPI meds

Scott Stordahl couldn’t remember a time when he didn’t struggle with heartburn. After undergoing the TIF procedure at NCH, the northwest suburban man is thankful those days are in the past.

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‘No-no’ foods for GERD patient are now a ‘yes, yes’

When Jakub Koziuk thinks back to his worst gastroesophageal reflux disease (GERD) moments, he recalls how horrible bananas were to digest, and how often he’d regurgitate his food back up and have to swallow it down again.

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GERD gone, thanks to TIF procedure

Usually heartburn is the key symptom of GERD (gastroesophageal reflux disease), a common digestive disorder that results in acid reflux and affects about 30 percent of Americans. But Nancy L., a 63-year-old retired Barrington resident started out with a strange symptom. She kept losing her voice.

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The case for colonoscopies: Marge’s story

On the fence about whether or not to get that colonoscopy? Don’t wait! Take it from Marge Koperny, who shares her story of colorectal cancer diagnosis, treatment and care from the experts at Northwest Community Healthcare this Colorectal Cancer Awareness Month.

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Ryan’s Story – Acid Reflux Patient Story

Ryan Gustafson, acid reflux patient, 33, shares his story of undergoing a Nissen fundoplication procedure at Northwest Community Healthcare.

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Magnets help put out firefighter’s internal heartburn flames

Michael Hardesty fights fires for a living.  That’s why he wanted to battle the fire that raged inside him. He is one of an estimated seven million Americans with some form of gastroesophageal reflux disease (GERD).

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No More Reflux

NCH Gastroenterologist Willis Parsons, M.D., weighs in on the uncomfortable and common conditions related to gastroesophageal reflux disease (GERD).

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