Summary

Dr. Harold Mozwecz is a gastroenterologist with over four decades of experience helping patients with digestive health concerns. He earned his medical degree from the University of Illinois College of Medicine and completed both his residency and fellowship training at the University of Illinois programs. Dr. Mozwecz is board-certified in internal medicine through the American Board of Internal Medicine and holds Fellowship status with the American College of Gastroenterology. He provides care primarily in English.

Dr. Mozwecz practices at multiple Duly Health and Care locations across Saint Charles, Winfield, and Warrenville, Illinois, and maintains hospital privileges at Advocate Good Samaritan Hospital. His clinical expertise includes treating common digestive conditions such as hemorrhoids and diverticular disease. He performs essential diagnostic procedures including colonoscopy and both upper and lower gastrointestinal endoscopy to help diagnose and monitor digestive health issues. Patients have given Dr. Mozwecz 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. Brian Liem, DODr. Darran Moxon, MD
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 , ILElgin , ILSt Charles , 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 active 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 active medical license in the state of Illinois that expires 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

What languages does Harold Mozwecz speak?
Harold Mozwecz speaks English.
Does Harold Mozwecz accept my insurance?
You can see the insurance plans that Harold Mozwecz accepts on their Vitals profile.
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.
Where is Harold Mozwecz's office located?
Harold Mozwecz's office is located at 3310 W Main St, Saint Charles, IL, 60175.
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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