About Daniel Jonas, MD
Daniel Jonas, MD, a gastroenterologist at Endeavor Health, provides care for patients with conditions affecting the digestive system. He evaluates and treats disorders involving the esophagus, stomach, intestines and liver, using advanced diagnostics and minimally invasive techniques. Dr. Jonas collaborates with patients to support digestive health and long-term wellbeing.
Overview
- Gender Male
Endeavor Health Medical Group
15 S. McHenry Rd., 3rd Floor
Buffalo Grove, IL 60089-6705
Buffalo Grove, IL 60089-6705
Endeavor Health Medical Group
2101 S. Arlington Heights Rd., Suite 108
Arlington Heights, IL 60005-4197
Arlington Heights, IL 60005-4197
Medical School
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2017University of Illinois at Chicago College of Medicine
Residencies
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2020Internal MedicineUniversity of Colorado, Denver
Fellowships
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2024GastroenterologyLoyola University Medical Center
Board certifications
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2020Internal MedicineAmerican Board of Internal Medicine
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2024GastroenterologyAmerican Board of Internal Medicine
Reviews (27)
December 25, 2025
Great customer service and friendly staff.
December 14, 2025
Dr. Jonas was respectful and caring.
December 14, 2025
Dr. Jonas was kind, caring, conscientious, explained everything in detail and welcomed any questions or concerns.
December 7, 2025
Really appreciated the doctor and his clear explanation of issues
December 6, 2025
Took time to answer all questions - clear on procedures
November 17, 2025
Personable doctors are rare and appreciated
October 19, 2025
Dr Jonas was so kind and knowledgeable. He listened to my needs, suggested a treatment plan, reassured me that I would be fine and arranged a follow up. I felt valued and heard.
October 19, 2025
My last doctor left . And new doctor provided through information and listen and answer my questions.
October 14, 2025
I found this office and personnel to my liking. Reception desk was very welcoming and efficient. I found the doctor, Doctor Jonas to be well informed and am happy with my physician selection.
October 5, 2025
Approachable & explained the procedure in a nice way
October 2, 2025
Everyone that I came in contact with was very professional friendly and kind
September 23, 2025
Everyone was kind friendly and patient.
September 20, 2025
Everybody was fantastic
September 16, 2025
He listened to all my problems and helped to explain what he thought was the cause of my discomforts.He took the time to research my old colonoscopy (10 years ago) and explained what he thought was the problem.
September 11, 2025
Good
September 1, 2025
My care provider was professional, attentive, and very kind.
August 24, 2025
Dr. Daniel Jonas is a rare gem. He took his time to answer my questions and provide explanations. In addition, he is kind, patient, and caring. I'm grateful to have been referred to Dr. Jonas and trust that I am in good hands with him.
August 23, 2025
He took the time to listen to all of my concerns and he demonstrated an eagerness to help alleviate my symptoms, even though they are difficult to address.
August 7, 2025
Dr. Jonas was great! He actually treated me as a human, and not a statistic. He reviewed my chart thoroughly. I can't say enough about how he treated me, not as an over the hill, over 80 year old, but as a person needing help. HIGHLY recommend.
August 6, 2025
Dr. Jonas listened to my concerns and responded with an explanation.
August 5, 2025
Very polite
July 31, 2025
I had a visit with Dr. Jonas who will be performing an upcoming Colonoscopy. From the moment I met Dr. Jonas I knew my visit would go well. Dr. Jonas was very informative and informed me of details prior to and day of my procedure. Dr Jonas is a great doctor and I am very very pleased with him.
July 20, 2025
A new doctor for me. He explained a lot of things and I felt very comfortable. Everyone was very nice.
July 17, 2025
Dr Jonas was well informed
July 15, 2025
This was my first appointment with this provider, it was a positive experience.
July 8, 2025
Ver professional
July 3, 2025
This experience was very good for me!
To find out if this healthcare professional accepts your insurance plan, it is important to verify coverage with your health insurance company. Verify your coverage by either calling the number on your insurance card or confirming coverage through your insurance company's web site or mobile app.
Endeavor Health and its hospitals make this provider profile available to inform patients and support their selection of a care provider.
More about Daniel
Article
Does just thinking about getting a colonoscopy make you nervous? You aren’t alone.
2-3 min
