Summary

Dr. Thomas Oconnor is a gastroenterologist with 36 years of experience treating digestive system disorders. He earned his medical degree from Northwestern University Feinberg School of Medicine and completed his residency training at University of Iowa Hospitals & Clinics. Dr. Oconnor provides care in both English and Spanish.

Dr. Oconnor practices at Riverside Medical Center and sees patients in Bourbonnais, New Lenox, and Kankakee, Illinois. He specializes in treating colon polyps and acid reflux conditions. His expertise includes performing colonoscopies and other diagnostic procedures to evaluate digestive health. Patients have given him an average rating of 4.4 out of 5 stars.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 4.4
  • 36 years of experience
  • speaks English, Spanish
  • University Of Iowa Hospitals & Clinics
  • 1 written review
  • 1 specialty
  • 10 areas of expertise
  • 1 board certification
  • 3 hospital affiliations
  • 8 office locations
  • Male

Office Locations

Dr. Thomas Lawrence Oconnor has 8 locations

Digestive Diseases Consultants Of Kankakee Sc

1615 N Convent St Ste 1Bourbonnais, IL 60914
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 3:00 pm
SatClosed
SunClosed

Digestive Diseases Consultants Of Kankakee Sc

1615 N Convent St Ste 2Bourbonnais, IL 60914
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 3:00 pm
SatClosed
SunClosed

Digestive Diseases Consultants

1890 Silver Cross Blvd Ste 215New Lenox, IL 60451

Digestive Diseases Consultants

1890 Silver Cross Blvd Ste 225New Lenox, IL 60451
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 3:00 pm
SatClosed
SunClosed

Silver Cross Hospital

1900 Silver Cross BlvdNew Lenox, IL 60451

Ascension Saint Mary Kankakee

500 W Court StKankakee, IL 60901

Riverside Medical Center

350 N Wall StKankakee, IL 60901

Digestive Diseases Consultants Of Kankakee Sc

1890 Silver Cross Blvd Ste 225New Lenox, IL 60451
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 3:00 pm
SatClosed
SunClosed

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Dr. Thomas Lawrence Oconnor, MDJi Soo Choi, APRNJan Seiler, APRNDr. Rajesh Pillai, MD
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.4 
4.7 
36 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available No Virtual Visit Option
Speaks English, Spanish Speaks English Speaks English Speaks English
Bourbonnais , ILSACRAMENTO , CAMontgomery , ALElgin , IL
Med School: Northwestern University Feinberg School Of Medicine Med School: New York University Med School: Georgia State University Med School: St. Georges University
Current Profile
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Insurance Plans Accepted by Dr. Thomas Lawrence Oconnor

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Thomas Lawrence Oconnor has the following specialty

Specialty Expertise

Dr. Thomas Lawrence Oconnor has the following 10 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

36 Years Experience

MEDICAL LICENSE

Medical Doctor, Illinois, 2026, Active

EDUCATION & TRAINING

Residency

University Of Iowa Hospitals & Clinics

Medical School

Northwestern University Feinberg School Of MedicineGraduated in 1990

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Frequently Asked Questions

Is Dr. Thomas Oconnor accepting new patients?
Dr. Thomas Oconnor is accepting new patients on Vitals. View Dr. Thomas Oconnor's profile on Vitals to make an appointment.
Does Dr. Thomas Oconnor accept my insurance?
You can see the insurance plans that Dr. Thomas Oconnor accepts on their Vitals profile.
How can I make an appointment with Dr. Thomas Oconnor?
You can find contact information for Dr. Thomas Oconnor here on Vitals.
Which hospitals is Dr. Thomas Oconnor affiliated with?
Dr. Thomas Oconnor is affiliated with Saint Marys Hospital In Kankakee, RIVERSIDE MEDICAL CENTER, and Silver Cross Hospital.
Does Dr. Thomas Oconnor accept virtual/telehealth appointments?
Dr. Thomas Oconnor has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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