Summary

Dr. Thomas Oconnor specializes in gastroenterology, focusing on digestive system disorders and related conditions. He earned his medical degree from Northwestern University Feinberg School of Medicine and completed his residency at University of Iowa Hospitals & Clinics. With 36 years of experience in his field, Dr. Oconnor brings extensive knowledge to patient care. He is fluent in both English and Spanish.

Dr. Oconnor practices at multiple locations in Bourbonnais and New Lenox, Illinois, and maintains affiliations with Saint Marys Hospital In Kankakee, Riverside Medical Center, and Silver Cross Hospital. He treats conditions such as colon polyps, GERD, and acid reflux. His procedural expertise includes performing colonoscopies, lower GI endoscopies, and upper GI endoscopies. Patients have given him an average rating of 4.4 out of 5 stars on Vitals.

Overview based on verified provider data

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
  • 3 hospital affiliations
  • 8 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

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

Compare with Similar Doctors

Dr. Thomas Lawrence Oconnor, MD
Ji Soo Choi, APRN
Jan Seiler, APRN
Dr. Shil Urvish Punatar
Dr. Thomas Lawrence Oconnor, MDJi Soo Choi, APRNJan Seiler, APRNDr. Shil Urvish Punatar
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients
4.4 
36 Years of Experience 6 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available No Virtual Visit Option
Speaks English, Spanish Speaks English Speaks English
Bourbonnais , ILSacramento , CAMontgomery , ALMunster , IN
Med School: Northwestern University Feinberg School Of Medicine Med School: New York University Med School: Georgia State University Med School: New York Institute Of Technology College Of Osteo Med At Arkansas State
Current Profile
View Profile View Profile View Profile

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

Dr. Thomas Lawrence Oconnor holds an expired medical license in the state of Illinois.

Medical License

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

Education & Training

Residency

Completed their residency at University Of Iowa Hospitals & Clinics.

Medical School

Graduated from Northwestern University Feinberg School Of Medicine in 1990.

NPI Number

Dr. Oconnor's NPI number is 1760470033.

Similar doctors

Frequently Asked Questions

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.
Where is Dr. Thomas Oconnor's office located?
Dr. Thomas Oconnor's office is located at 1615 N Convent St Ste 1, Bourbonnais, IL, 60914.
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.
What languages does Dr. Thomas Oconnor speak?
Dr. Thomas Oconnor speaks English and Spanish.
Does Dr. Thomas Oconnor accept my insurance?
You can see the insurance plans that Dr. Thomas Oconnor accepts on their Vitals profile.

Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.

Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.