Matthew Stier , MD


(815) 397-7340

Rockford Gastroenterology Associates, Ltd
401 Roxbury Rd
Rockford, IL 61107


Dr. Matthew W. Stier is a board eligible gastroenterologist and joined Rockford Gastroenterology Associates, Ltd. in 2019. He completed his undergraduate studies in pharmaceutical science at Purdue University and graduated with honors from the University of Illinois College of Medicine at Chicago. Dr. Stier went on to complete his residency in Internal Medicine and fellowship in Gastroenterology, Hepatology & Nutrition at the University of Chicago, where he also served as chief fellow from 2017-2018. During fellowship training Dr. Stier participated in clinical research on the endoscopic management of Barrett’s esophagus and advanced polypectomy techniques, which he presented at regional and national scientific meetings. He has authored numerous peer-reviewed publications and continues to be committed to advancing the care of all patients. Dr. Stier is a member of the American Gastroenterological Association, the American College of Gastroenterology, the American Association for the Study of Liver Diseases, and the American Society for Gastrointestinal Endoscopy. Dr. Stier is also board certified in Internal Medicine. He is an active member of the medical staff at Swedish American Hospital and OSF St. Anthony Medical Center. Although Dr. Stier is well trained in the broad disciplines of gastroenterology, hepatology and clinical nutrition, he has special interests in Barrett’s esophagus, improving quality in colorectal cancer screening, liver disease including hepatitis C, and the management of inflammatory bowel disease.

Gender: N/A

Years in Practice: 8 Years

Languages Spoken: N/A

Education & Training

Medical School: University of Chicago

Graduation Date: in 2013

Specialties & Hospital Affiliations

Hospital Affiliations:


Specialties: Gastroenterology

Health Insurance and Affiliations

  • N/A

Stier's Office Information

Rockford Gastroenterology Associates, Ltd
401 Roxbury Rd
Rockford, IL 61107
(815) 397-7340

Website: Not available
Accepting New Patients: No
Medicare Accepted: No
Medicaid Accepted: No

Office Hours:

Mon7:00 AM-5:30 PM
Tue7:00 AM-5:30 PM
Wed7:00 AM-5:30 PM
Thu7:00 AM-5:30 PM
Fri7:00 AM-5:30 PM