Summary

Dr. Thomas Nealis is a gastroenterologist who specializes in diagnosing and treating disorders of the digestive system. He earned his medical degree from Georgetown University School of Medicine and completed both his residency and fellowship training at McGaw Medical Center of Northwestern University, finishing his fellowship in 2012. With 20 years of experience in medicine, Dr. Nealis brings extensive knowledge to his practice. He is fluent in both English and Spanish.

Dr. Nealis practices at Northwestern Memorial Hospital and sees patients at the Northwestern Medicine Digestive Health Center in Chicago, Illinois. He focuses on treating conditions such as anemia, colon polyps, and colorectal cancer. His expertise includes performing colonoscopies and lower GI endoscopy procedures, along with interpreting pathology tests. Patients have given Dr. Nealis an average rating of 3.0 on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3
  • 20 years of experience
  • 14 insurance plans accepted
  • speaks Spanish, English
  • McGaw Medical Center of Northwestern University
  • 1 written review
  • 2 specialties
  • 14 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 1 office location
  • Male

Office Location

Northwestern Medicine Digestive Health Center

259 E Erie St Lavin Family Pavilion, Ste 1600Chicago, IL 60611

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Thomas B. Nealis, MDDr. Jennifer Spanier-Stiasny, DODr. Rahul Julka, MDDr. Amit Kalra, MD
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.5 
4.5 
20 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Spanish, English Speaks English Speaks English Speaks English
Chicago , ILHighland Park , ILHomewood , ILHighland Park , IL
Med School: Georgetown University School of Medicine Med School: Kansas City University of Medicine and Biosciences Med School: Loyola University Medical Center Med School: University of Illinois
Current Profile
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Insurance Plans Accepted by Thomas B. Nealis

  • Aetna
  • Aetna - HMO
  • Blue Cross Blue Shield of Illinois
  • Cigna
  • Health Net - HMO
  • HealthPartners
  • Humana
  • Medicare
  • Medicare - Medicare
  • Mercy Care
  • Meritain Health
  • UnitedHealthcare
  • Wellcare - Medicaid (Managed)
  • Zing Health - Medicare

Medical Specialties

Thomas B. Nealis has the following 2 specialties

Specialty Expertise

Thomas B. Nealis has the following 14 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colon Cancer
  • Colon Tumor (Adenomatous Polyps)
  • Colonoscopy
  • Constipation
  • Diarrhea
  • Gastroenterologist
  • Hemorrhoids
  • Inflammatory Bowel Diseases (IBD)
  • Irritable Bowel Syndrome (IBS)
  • Obesity
  • Ulcerative Colitis

Certifications, License, & Education

20 Years Experience

Thomas B. Nealis holds an active medical license in the state of Illinois.

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 McGaw Medical Center of Northwestern University in 2012.

Residency

Completed their residency at McGaw Medical Center of Northwestern University in 2009.

Medical School

Graduated from Georgetown University School of Medicine in 2006.

NPI Number

Thomas B. Nealis' NPI number is 1841456423.

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Frequently Asked Questions

How can I make an appointment with Thomas B. Nealis?
You can find contact information for Thomas B. Nealis here on Vitals.
Does Thomas B. Nealis accept virtual/telehealth appointments?
Thomas B. Nealis has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Thomas B. Nealis's office located?
Thomas B. Nealis's office is located at 259 E Erie St Lavin Family Pavilion, Ste 1600, Chicago, IL, 60611.
Which hospitals is Thomas B. Nealis affiliated with?
Thomas B. Nealis is affiliated with Northwestern Memorial Hospital.
What languages does Thomas B. Nealis speak?
Thomas B. Nealis speaks Spanish and English.

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