Thomas J. Lee, MD

4.8

1011 ratings Read Reviews

Northwestern Medical Group

Primary Specialty

Gastroenterology

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Practice Focus Areas

This medical professional has a particular interest or expertise in:

Education

Medical Education:: MD, Case Western Reserve University School of Medicine - 1997
Internship:: New York Presbyterian Hospital (Columbia Campus) - 1998
Residency:: Case Western Reserve University/University Hospitals Cleveland Medical Center - 2001
Fellowships:: McGaw Medical Center of Northwestern University - 2004

Board Certifications

American Board of Internal Medicine/Gastroenterology - Gastroenterology (Certified)

Faculty Profile

Assistant Professor, Feinberg School of Medicine

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Practice Groups and Affiliations

Medical Group:: Northwestern Medical Group
Alignment Category:: Northwestern Medicine Physician Network
On Medical Staff At:: Central DuPage Hospital

Northwestern Memorial Hospital

Ratings and Reviews

At Northwestern Medicine, our patient’s feedback is important to us. While different care providers have their own unique strengths, we strive to be as transparent as possible with our quality of care.

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Overall Rating

4.8

4.8

1011 Ratings

Reviews from Patients

100 Most Recent Reviews

Reviews from Patients

100 Most Recent Reviews

February 16, 2026

5.0

The level of professionalism demonstrated by Dr. Lee's team is simply exceptional. Dr. Lee answered my questions thoroughly and eased my concerns.

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February 15, 2026

5.0

Very nice and professional. Felt informed on what was going to be taking place and what to expect.

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February 13, 2026

5.0

Explanations were clear and everything went as planned. Dr. Lee and staff were patient and excellent.

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February 13, 2026

5.0

Dr. Lee was very caring, intelligent, and asked good questions to get to know me. I felt he gave good advice and i feel confident in our plan.

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February 12, 2026

5.0

Great, knowledgeable, patient, kind doctor.

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February 03, 2026

5.0

he was great, very easy going, concerned, considerate and thorough, definitely will have him as my GI doctor

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February 03, 2026

4.0

Explaines everything, helps you understand any procedures that you getting.

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February 02, 2026

5.0

Walked me thru all the procedure and positives and the small negatives

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January 27, 2026

5.0

He was thorough in his communication and gentle-mannered, which I found helpful due to having some nerves about the endoscopy.

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January 25, 2026

5.0

Kind and knowledgable

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January 19, 2026

5.0

He clearly communicated the reasons for the procedure as well as the potential risks.

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January 19, 2026

5.0

Quality of care, details, and service.

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January 17, 2026

5.0

The reason for my score is because Dr. Lee took time to explain the procedure, the need for the procedure, and presented a comprehensive report of the procedure that I can understand.

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January 02, 2026

5.0

Very professional and through.

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January 02, 2026

5.0

I LOVE DR LEE

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December 29, 2025

5.0

On time informative followed up

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December 29, 2025

5.0

He was very attentive, knowledgeable, asked if I had any questions. I liked his bedside manner.

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December 28, 2025

5.0

He was easy to talk to and made me feel comfortable

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December 23, 2025

5.0

Very good doctor and can clearly communicate.

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December 22, 2025

5.0

Explained outcome throughly

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December 22, 2025

5.0

Very professional but friendly!

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December 22, 2025

5.0

Clear, concise communication and made me feel confident things would be fine

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December 22, 2025

5.0

Excelente doctor

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December 22, 2025

5.0

Listens to everything you say. Asks clarifying questions. Is obviously curious about your health situation. Excellent listening and problem solving skills. Best doctor I have interacted with in the entire NM system, please give him a raise.

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December 01, 2025

5.0

His patience

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December 01, 2025

5.0

Clear communication and attentive

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December 01, 2025

5.0

Dr. Lee was extremely professional and made me feel at ease as did his whole team.

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November 19, 2025

5.0

Totally professional

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November 18, 2025

5.0

Very nice Dr and he listened to me

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November 14, 2025

5.0

This procedure is one that can be stressful. Dr. Lee's competence and manner were outstanding. Made me more comfortable with a less stressful process.

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November 10, 2025

5.0

Detailed explanations, which I mostly understood.

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November 10, 2025

5.0

DR. LEE HAS A POSITIVE ATTITUDE TOWARDS HIS PROFESSION AND PATIENTS THAT HE SERVICE.

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October 28, 2025

5.0

He was pleasant and kind and professional He made good eye contact He was calm and that conveys confidence He had excellent interpersonal skills and did an excellent job with me. I would highly recommend him to my friends and family. In fact, he came highly recommended after he completed my husband's colonoscopy a few years ago.

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October 27, 2025

5.0

The entire team before the procedure was kind and informative

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October 27, 2025

5.0

Explains everything in a clear, concise manner. Has a nice personable way about him.

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October 20, 2025

5.0

Dr Lee went over everything about the procedure and put me at ease.

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October 20, 2025

5.0

He took his time to explain the process so you understand the procedures.

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October 18, 2025

5.0

Dr Lee provided procedural and follow-up information in a clear and understanding manner.

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October 18, 2025

5.0

Excellent treatment, kind attention to patients

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October 17, 2025

5.0

He was thorough & transparent.

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October 13, 2025

5.0

Dr Lee was very thorough in explaining everything and put me at my ease. I felt confident in his ability and knew exactly what to expect during the procedure.

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October 10, 2025

5.0

Dr. Lee explained what was going to happen and all went as expected. No issues.

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October 07, 2025

5.0

Professional, straightforward

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October 06, 2025

5.0

Dr Lee was extremely personable and explained everything really well and took his time to answer questions and the whole process did not feel rushed.

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October 06, 2025

5.0

He was thorough and skilled

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October 03, 2025

5.0

Excellent listener- He communicates at my level of comprehension

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September 30, 2025

5.0

He is the best. I've used Dr. Lee before and gladly used him again. Very pleased with Dr. Lee.

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September 27, 2025

5.0

He was so clear, encouraging, really wonderful

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September 26, 2025

5.0

He explained everything clearly. Answered my concerns!

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September 26, 2025

5.0

He is thoughtful, patient and was very helpful in determining what I need to do.

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September 26, 2025

5.0

He was very professional and explained everything well. No questions left unanswered.

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September 25, 2025

5.0

Very thorough in describing procedure.

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September 24, 2025

5.0

Seemed efficient and competent.

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September 23, 2025

5.0

He took the time to explain everything about the procedure, risks, expectations, and follow ups clearly.

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September 22, 2025

5.0

He's thorough in his delivery of medical services and procedures. I've decided that he is going to be my Gastrointerologist. I give him an A+.

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September 19, 2025

5.0

Dr. Lee was very reassuring and thoroughly answered my questions. His staff was very professional.

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September 16, 2025

5.0

Explained the process and results very clearly.

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September 16, 2025

5.0

Straightforward and no nonsense.

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September 15, 2025

5.0

He is a professional and knowledgable GI

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September 09, 2025

5.0

Very capable

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September 09, 2025

5.0

Doctor Lee is best for colonoscopy, I would definitely recommend him when I schedule my colonoscopy. I request him all three times. He's never felt he explained everything prior to the colonoscopy in details and what to expect

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September 07, 2025

5.0

Dr. Lee was very professional and thorough in explaining the procedure.

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September 04, 2025

4.0

Professional

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September 02, 2025

5.0

He was honest and asked a lot of questions.

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September 02, 2025

5.0

Less invasive measures first

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August 31, 2025

5.0

He explained everything to me in a way I understood

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August 30, 2025

5.0

He speaks to his patients professionally in preparation for the procedure

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August 29, 2025

5.0

Doc was awesome!

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August 29, 2025

5.0

Doctor Thomas J. Lee was excellent. He spoke with me before my colonoscopy and I was informed of what was going to happen. Thank you.

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August 25, 2025

5.0

Dr Lee did not burden me with too much information.

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August 25, 2025

5.0

He was wonderful

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August 25, 2025

5.0

Every time I come to Northwestern I am thankful you are my hospital

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August 22, 2025

5.0

He explained everything that might happen and did a great job

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August 21, 2025

5.0

He is very good.

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August 18, 2025

5.0

Excellent care and explanation

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August 16, 2025

5.0

Very professional and good communication. Appreciated this straightforward approach

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August 15, 2025

5.0

I felt valued as a patient!

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August 14, 2025

4.0

Timely , clear instructions , Prompt follow up

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August 13, 2025

5.0

Excellent care and bedside manner. He always takes his time to explain what is going on.

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August 09, 2025

5.0

Dr . Lee is to the point and a dry sense of humor. Perfect!

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August 08, 2025

5.0

Professional, knowledgeable, communicative and courteous.

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July 25, 2025

5.0

Dr Lee was fine. I had a routine colonoscopy so I met him just before the procedure and talked to him after it. He was professional and very good at communicating.

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July 21, 2025

5.0

Great personality. Went over the whole procedure prior to starting and answered all questions. Very professional.

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July 11, 2025

5.0

On time. Made me at ease for the procedure. Very professional and no nonsense about task at hand.

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July 10, 2025

5.0

Dr. Lee is very thoughtful, thorough and made me feel very comfortable. Prior to my procedure he spent time with me explaining everything, answered my questions, and calmed my nerves. I really do appreciate his excellent bedside manner.

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July 10, 2025

5.0

He had a good bedside manner. He was very professional. He was polite. He was engaging and he was extremely good at what he does.

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July 07, 2025

5.0

Dr. Lee explained the procedure clearly and completely.

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July 04, 2025

5.0

he had an excellent bedside manner. very casual but still made sure i had all the facts and understood the procedure (and had any questions answered

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July 02, 2025

5.0

Dr Lee seemed very competent and knowledgeable, while still being highly creative in his thinking. Great combination.

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June 30, 2025

5.0

Kind Direct and Personable

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June 30, 2025

5.0

He's patient and thorough and very approachable.

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June 30, 2025

5.0

Professional, reassuring, and highly competent demeanor; obviously very meticulous in reviewing colonoscopy results and recommending follow-up accordingly.

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June 27, 2025

5.0

Good bedside manner, detailed explanation of what to expect and possible outcomes. Very reassuring of his experience to handle the procedure and all situations surrounding it.

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June 26, 2025

5.0

Articulate and relatable, provides facts and confidence.

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June 24, 2025

5.0

good bedside manor. made it easy

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June 23, 2025

5.0

I can tell when someone knows what they're doing, or other wise. Ten!

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June 23, 2025

5.0

He's got a great bedside manner, is very knowledgeable and is able to share details in an understandable way.

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June 23, 2025

5.0

Wonderful expertise and talks to patients clearly making them feel secure and seen.

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June 19, 2025

5.0

Clear, concise in remarks, listened, spoke on the level, not condescending, pleasant, seemed highly professional.

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June 16, 2025

5.0

Smart, organized, friendly, professional and uber experienced.

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Disclosures

External Professional Relationships

Pharmaceutical, device, and biotechnology companies frequently collaborate with basic scientists and physicians within an academic medical center to help advance science and improve patient care. These relationships are important in achieving scientific breakthroughs and in establishing the effectiveness and safety of promising new therapies. In order to assure objectivity in clinical research and patient care, the Northwestern University Feinberg School of Medicine (Feinberg), Northwestern Memorial HealthCare, Children's Hospital of Chicago Medical Center, and the Shirley Ryan AbilityLab have adopted integrity policies that require research and clinical faculty (in full-time, part-time, and unpaid/voluntary categories) to report compensated and uncompensated external industry relationships. Patients are encouraged to discuss these disclosures with their physician as well as to inquire as to how these relationships are overseen by Feinberg. To learn more about our Disclosure and Professional Integrity Policy, and the conflict of interest policies of our joint affiliate survey partners, please go to our Office for Regulatory Affairs Policies page.

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