About Allison Rzepczynski, MD

Allison Rzepczynski, MD, a gastroenterologist at Endeavor Health, specializes in diagnosing and treating digestive health conditions through a personalized and collaborative approach. She views every patient interaction as a partnership and focuses on education to help individuals understand how their digestive system works. Dr. Rzepczynski tailors each care plan to reflect her patients’ personal goals, preferences and health needs.

Care philosophy

I treat every patient interaction as a partnership. My role is to listen to your story—who you are, what concerns you want to address and what goals you have. I take time to explain how your digestive system works so you feel empowered to make informed decisions. Together, we develop a personalized diagnostic and treatment plan that fits your needs.

Overview

  • Gender Female

Clinical focus

  • Abdominal pain
  • Colon cancer screening
  • Constipation
  • Endoscopy
  • Gastrointestinal diseases
  • Liver disease
  • Gastroenterology (GI)

Procedures performed

  • Colonoscopy
  • Flexible sigmoidoscopy
  • Upper endoscopy (EGD)
  • Feeding tube placement
Endeavor Health Medical Group
1200 S. York St., Suite 2000
Elmhurst, IL 60126-5634
(331) 221-9003 Get directions
Endeavor Health Medical Group
755 N. York St.
Elmhurst, IL 60126-1607
(331) 221-9003 Get directions
Medical School
  • 2017
    Loyola University Medical Center Graduate Medical Education
Residencies
  • 2020
    Internal Medicine
    Rush University Medical Center
Fellowships
  • 2023
    Gastroenterology
    Rush University Medical Center
Board certifications
  • 2020
    Internal Medicine
    American Board of Internal Medicine
  • 2023
    Gastroenterology
    American Board of Internal Medicine
4.9
(30)
Learn more about ratings
Reviews (9)
December 14, 2025
All good
December 6, 2025
Excellent patient care. Dr. R. is considerate, attentive and empathetic. Answers all questions and follows through.
November 2, 2025
I feel safe in her care. She explained to me the reason for the test she wants to perform.
November 1, 2025
I'm very satisfied.
April 29, 2025
Very knowledgeable, polite, and comprehensive care
April 5, 2025
Dr. R is very personable and thorough. Very rare when a Doctor will take the time to call, explain test results, and treat you like a human versus a my chart number. I really appreciate her humanity and care.
February 16, 2025
Everyone, from start to finish was kind and had my well being in mind. Dr. Rzepczynski is a wonderful doctor.
February 11, 2025
Dr. Rzapczynski was great , so example the procedure to me and what to do and what not to do .
September 5, 2024
This was my first visit. They were very professional and Informative.
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