Summary

Dr. Harold Mozwecz is a gastroenterologist who has dedicated over four decades to digestive health care. He earned his medical degree from the University of Illinois College of Medicine and completed his residency at the University of Illinois. Dr. Mozwecz furthered his training with a fellowship at the University of Illinois of Chicago in 1990, specializing in gastroenterology. He holds certification in internal medicine from the American Board of Internal Medicine and is a Fellow of the American College of Gastroenterology. Dr. Mozwecz speaks English.

Dr. Mozwecz practices at Advocate Good Samaritan Hospital and sees patients at multiple Duly Health and Care locations throughout Saint Charles, Winfield, and Warrenville, Illinois. His expertise includes treating hemorrhoids and diverticular conditions such as diverticulosis. He performs essential diagnostic procedures including colonoscopy and both upper and lower gastrointestinal endoscopy to help patients maintain optimal digestive health. Patients have given him an average rating of 3.0 on Vitals.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3
  • 41 years of experience
  • 16 insurance plans accepted
  • speaks English
  • University of Illinois
  • 14 written reviews
  • 1 specialty
  • 13 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 3 office locations
  • Male

Patients’ Perspective

  • Flexible scheduling

Office Locations

Harold Mozwecz has 3 locations

Duly Health and Care

3310 W Main StSaint Charles, IL 60175

Duly Health and Care

25 N Winfield RdWinfield, IL 60190

Duly Health and Care

4575 Weaver PkwyWarrenville, IL 60555

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Harold Mozwecz, MD, FACGDr. Yogesh Patel, DODr. Darran Moxon, MDDr. Brian Liem, DO
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.8 
4.3 
41 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks English
Saint Charles , ILSt Charles , ILSt Charles , ILElgin , IL
Med School: University of Illinois College of Medicine Med School: Chicago College Of Osteopathic Medicine Med School: University of Illinois
Current Profile
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Insurance Plans Accepted by Harold Mozwecz

  • Aetna
  • Blue Cross Blue Shield of Illinois
  • Cigna
  • Gilsbar 360 Alliance
  • Golden Rule
  • HealthScope Benefits
  • Humana
  • Humana - Medicare (Advantage HMO)
  • Medicare
  • Medicare - Medicare
  • Meritain Health
  • Molina Healthcare
  • North Shore LIJ CareConnect
  • North Shore LIJ CareConnect - IPA
  • UnitedHealthcare
  • UPMC Health Plan

Medical Specialties

Harold Mozwecz has the following specialty

Specialty Expertise

Harold Mozwecz has the following 13 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colon Cancer
  • Colonoscopy
  • Constipation
  • Endoscopy (Endoscopic Surgery)
  • Heartburn
  • Hemorrhoids
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

41 Years Experience

Harold Mozwecz holds an expired medical license in the state of Illinois. They are board certified in Internal medicine by the American Board of Internal Medicine.

Board Certifications

Board certified in Internal medicine by the American Board of Internal Medicine.

Medical License

Medical Doctor with an expired medical license in the state of Illinois that expired in 2026.

Education & Training

Fellowship

Completed their fellowship at University of Illinois, University of Illinois, Chicago, IL, and University of Illinois of Chicago in 1990.

Residency

Completed their residency at University of Illinois, University of Illinois, Chicago, IL, University of Illinois College of Medicine at Chicago Program, and University of Illinois of Chicago (1986).

Medical School

Graduated from University of Illinois College of Medicine in 1985.

NPI Number

Harold Mozwecz's NPI number is 1356318349.

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Frequently Asked Questions

Does Harold Mozwecz accept my insurance?
You can see the insurance plans that Harold Mozwecz accepts on their Vitals profile.
What languages does Harold Mozwecz speak?
Harold Mozwecz speaks English.
Is Harold Mozwecz accepting new patients?
Harold Mozwecz is accepting new patients on Vitals. View Harold Mozwecz's profile on Vitals to make an appointment.
Which hospitals is Harold Mozwecz affiliated with?
Harold Mozwecz is affiliated with Advocate Good Samaritan Hospital.
Does Harold Mozwecz accept virtual/telehealth appointments?
Harold Mozwecz has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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