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

  • Languages English
  • Gender Male

Clinical focus

  • Gastroenterology (GI)
  • Internal Medicine

Board specialties

  • Gastroenterology (GI)
  • Internal Medicine
Endeavor Health Medical Group
2101 S. Arlington Heights Rd., Suite 108
Arlington Heights, IL 60005-4197
(847) 618-9550 Get directions
Endeavor Health Medical Group
15 S. McHenry Rd., 3rd Floor
Buffalo Grove, IL 60089-6705
(847) 618-9550 Get directions
Medical School
  • 2017
    University of Illinois at Chicago College of Medicine
Residencies
  • 2020
    Internal Medicine
    University of Colorado, Denver
Fellowships
  • 2024
    Gastroenterology
    Loyola University Medical Center
Board certifications
  • 2020
    Internal Medicine
    American Board of Internal Medicine
  • 2024
    Gastroenterology
    American Board of Internal Medicine
4.8
(54)
Learn more about ratings
Reviews (6)
November 17, 2025
Personable doctors are rare and appreciated
October 19, 2025
My last doctor left . And new doctor provided through information and listen and answer my questions.
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 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
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