29 Years of Experience
Affiliated with a Castle Connolly Top Hospital
Who is Dr. O'connor, Gastroenterologist in Bourbonnais, IL?
Dr. Thomas O'connor, MD is a Gastroenterologist, who primarily practices in Bourbonnais, IL with 1 additional practice location. He has been practicing for over 29 years and is board certified by the American Board of Internal Medicine. Dr. O'connor graduated from Northwestern University The Feinberg School of Medicine and completed his residency at Univ Iowa Hosps & Clinics, Gastroenterology; Univ Iowa Hosps & Clinics, Internal Medicine. Dr. O'connor is fluent in English, and is not currently seeing new patients. Dr. O'connor’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. O'connor’s office at (815) 937-5200.
Where did Dr. O'connor go to medical school and complete their residency?
Residency: Univ Iowa Hosps & Clinics, Gastroenterology; Univ Iowa Hosps & Clinics, Internal Medicine | University of Iowa Hospital & Clinics
Medical School: Northwestern Uniiversity | Northwestern University The Feinberg School of Medicine
Is Dr. O'connor board certified in Gastroenterologist?
Yes, Dr. Thomas O'connor, MD is board certified by the American Board of Internal Medicine
What languages does Dr. O'connor speak?
Dr. O'connor and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. O'connor treat?
As a Gastroenterologist, Dr. O'connor diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. O'connor. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Constipation
- Difficulty Passing Stool
- Infrequent Bowel Movements
- Hard Stools
ICD-10 Codes:
- K5900: Constipation, unspecified
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Barrett's Esophagus
- Esophagus Disorder
- Barrett’s Esophagus
- Barrett's condition
- Esophageal metaplasia
ICD-10 Codes:
- K2270: Barrett's esophagus without dysplasia
Also known as:
- Dark, Tarry Stools (Melena)
- Gastrointestinal Bleeding
- Melena
- Black Stools
- Upper GI Bleed Signs
ICD-10 Codes:
- K921: Melena
Also known as:
- GERD with Esophagitis
- Eosinophilic Esophagitis
- GERD
- Reflux Esophagitis
- Acid Reflux Esophagus Inflammation
- Heartburn with Esophagus Damage
ICD-10 Codes:
- K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
What procedures does Dr. O'connor perform?
As a Gastroenterologist, Dr. O'connor performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. O'connor. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
CPT Codes:
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
Also known as:
- EGD with Esophageal Balloon Dilation
- Esophagus Widening Procedure (Endoscopic)
- Colonoscopy with Injections
- Flexible Sigmoidoscopy with Biopsy
- Diagnostic Upper Endoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
- Esophageal Dilation
- EGD with Dilation
- Upper Endoscopy with Widening
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
- Sigmoid Colon Scope with Biopsy
- Lower Endoscopy with Tissue Sample
- Flexible Sigmoidoscopy and Biopsy
- Rectum and Lower Colon Exam
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
CPT Codes:
- 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
- 43248: Esophagogastroduodenoscopy, flexible, transoral; with insertion of guide wire followed by passage of dilator(s) through esophagus over guide wire
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
- 45331: Sigmoidoscopy, flexible; with biopsy, single or multiple
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Upper Endoscopy with Polyp Removal
- EGD with Polypectomy
- Esophagus, Stomach, Duodenum Scope with Removal
- Flexible Endoscopy Tumor Excision
CPT Codes:
- 43251: Esophagogastroduodenoscopy, flexible, transoral; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
Also known as:
- Flexible Sigmoidoscopy
- Colorectal Cancer Screening Tests
- Sigmoidoscopy
- Lower colon exam
- Flexible colon scope
- Rectum and lower colon check
CPT Codes:
- 45330: Sigmoidoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Capsule Endoscopy
- Pill Camera
- Wireless Capsule Endoscopy
- Small Bowel Capsule Endoscopy
- Intestinal Imaging Pill
CPT Codes:
- 91110: Gastrointestinal tract imaging, intraluminal (eg, capsule endoscopy), esophagus through ileum, with interpretation and report
Does Dr. O'connor accept my insurance?
Dr. O'connor accepts most major insurance plans. Important: Please call our office at (815) 937-5200 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. O'connor accept in Bourbonnais, IL?
Dr. O'connor in Bourbonnais, IL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Crown Cork and Seal Company
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Express Scripts
Health Care Service Corporation (HCSC)
Humana
Medicare
Sterling Jewelers
UnitedHealthcare
View All Insurances
Where is Dr. O'connor's office located?
Dr. Thomas O'connor's Primary Practice
1615 N Convent St
Bourbonnais, IL 60914
(815) 937-5200
What is Dr. O'connor's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. O'connor's National Provider Identifier (NPI) number is 1760470033.
What common questions do patients ask about Dr. O'connor?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. O'connor
What is Dr. Thomas O'connor's specialty?
Dr. O'connor is a Gastroenterologist near Bourbonnais, IL. An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs. Contact Dr. O'connor to book an appointment today.
Is this Dr. Thomas O'connor affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. O'connor is affiliated with Riverside Medical Center - Kankakee, IL, Gibson Area Hospital & Health Services, Silver Cross Hospital which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Gastroenterologist?
Explore Gastroenterologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Thomas O'connor accepting new patients in Bourbonnais, IL?
No, Dr. Thomas O'connor is not accepting new patients at this time.
Does Dr. Thomas O'connor offer online booking?
Please contact Dr. O'connor's office at (815) 937-5200 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Thomas O'connor?
Please contact Dr. O'connor's office at (815) 937-5200 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Thomas O'connor have?
Dr. Thomas O'connor is certified by the American Board of Internal Medicine.
Other Gastroenterologist Near Bourbonnais, IL
Gastroenterologist
Accepting patientsDr. Daniel Errampalli, MD is a Gastroenterologist, who primarily practices in Bourbonnais, IL with 1 additional practice location. He has been practicing for over 25 years and is board certified by the American Board of Internal Medicine.
Bourbonnais, IL
Gastroenterologist
Accepting patientsDr. Brian Sasso, DO is a Gastroenterologist, who primarily practices in Bourbonnais, IL with 1 additional practice location. He has been practicing for over 20 years and is board certified.
Bourbonnais, IL
Gastroenterologist
Accepting patientsDr. Matthew Kaplan, DO is a Gastroenterologist, who primarily practices in Bourbonnais, IL with 1 additional practice location. He has been practicing for over 11 years and is board certified by the American Board of Internal Medicine.
Bourbonnais, IL