Summary

Dr. Thomas Deweert is a gastroenterologist and internal medicine specialist who earned his medical degree from Wayne State University School of Medicine. With four decades of clinical experience, he brings extensive knowledge to the diagnosis and treatment of digestive system disorders and general internal medicine conditions. He provides care in English for his patients.

Dr. Deweert practices at Carle Bromenn Medical Center in Normal, Illinois, where he focuses on treating conditions such as hemorrhoids, iron deficiency anemia, and anemia caused by heavy bleeding. He performs essential diagnostic and therapeutic procedures including upper GI endoscopy to examine the digestive tract, colonoscopy for colon health screening, and laparoscopy for minimally invasive surgical interventions. Patients rate Dr. Deweert 4.4 out of 5 stars on Vitals for his care.

Overview based on verified provider data

Quick Facts

  • 4.4
  • 40 years of experience
  • 6 insurance plans accepted
  • speaks English
  • Wayne State University School Of Medicine
  • 2 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 2 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. Thomas Mark Deweert has 2 locations

Carle Bromenn Gastroenterology

1302 Franklin Ave Ste 3600Normal, IL 61761
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 - 5:00 pm
SatClosed
SunClosed

Carle Bromenn Medical Center

1304 Franklin AveNormal, IL 61761

Compare with Similar Doctors

Dr. Thomas Mark Deweert, MD
Jan Seiler, APRN
Ji Soo Choi, APRN
Dr. Holly Ann Novak, MD
Dr. Thomas Mark Deweert, MDJan Seiler, APRNJi Soo Choi, APRNDr. Holly Ann Novak, MD
GastroenterologyGastroenterologyGastroenterologyCardiovascular Disease
Accepts New Patients Accepts New Patients Accepts New Patients
4.4 
4.8 
40 Years of Experience 47 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available No Virtual Visit Option
Speaks English Speaks English Speaks English Speaks English, Spanish
Normal , ILMontgomery , ALSACRAMENTO , CAGreenville , IL
Med School: Wayne State University School Of Medicine Med School: Georgia State University Med School: New York University Med School: Southern Illinois University School Of Medicine
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Dr. Thomas Mark Deweert

  • Aetna
  • Anthem Blue Cross Blue Shield
  • Cigna
  • Humana - Medicare (Advantage HMO)
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)

Medical Specialties

Dr. Thomas Mark Deweert has the following 2 specialties

Specialty Expertise

Dr. Thomas Mark Deweert has the following 11 areas of expertise

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

Certifications, License, & Education

40 Years Experience

Dr. Thomas Mark Deweert 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

Medical School

Graduated from Wayne State University School Of Medicine in 1986.

NPI Number

Dr. Deweert's NPI number is 1073560751.

Similar doctors

Frequently Asked Questions

Where is Dr. Thomas Deweert's office located?
Dr. Thomas Deweert's office is located at 1302 Franklin Ave Ste 3600, Normal, IL, 61761.
What languages does Dr. Thomas Deweert speak?
Dr. Thomas Deweert speaks English.
Which hospitals is Dr. Thomas Deweert affiliated with?
Dr. Thomas Deweert is affiliated with Carle Bromenn Medical Center.
How can I make an appointment with Dr. Thomas Deweert?
You can find contact information for Dr. Thomas Deweert here on Vitals.
Does Dr. Thomas Deweert accept my insurance?
You can see the insurance plans that Dr. Thomas Deweert 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.