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Locations

Lisle

430 Warrenville RoadLisle, Illinois 60532
630-432-6180
Board Certifications

Internal Medicine

Languages

English

Clinical Interests

Preventive medicine, Hypertension, Lipid management, Diabetes

Personal Interests

Golf, Travel

Education
Schools
University of Illinois at ChicagoGraduation Date: 1986Degree: MD
Residency
Advocate Lutheran General HospitalResident in Internal Medicine

Ratings and Comments

Comments are collected in our Press Ganey Patient Satisfaction Surveys. Patients are de-identified to protect confidentiality and patient privacy. Learn more about our patient satisfaction survey.

Excellent experience, I will hardly recommend Doctor Regan to other.

5

Sep 30, 2025

Dr. Regan is an excellent Internist. He has treated my many issues with care and produced excellent results.

5

Sep 29, 2025

He is first class! Maybe been seeing him 20+ years I think. When he retires, I'm gone from Duly!

5

Sep 28, 2025

Dr. Regan had been my primary care physician for years. He is an excellent doctor and I greatly value his guidance on all medical and health related issues. I get his advice on a wide variety of topics including diet, exercise, stress, injuries, preventative care, etc. I have always used the doctors that he recommends for referral follow-up treatment. So grateful for the years of service he has provided!!

5

Sep 28, 2025

Dr. Regan has been the best Doctor I ever visited and I'm 59 years old. Thorough, comforting, great personality and gives you as much time as you need. The best

5

Sep 19, 2025

Patient Satisfaction Rating

4.9

635 Reviews

The Patient Satisfaction Rating score is an average of all responses to care provider related questions on our independent rating system, the Press Ganey Patient Satisfaction Survey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Learn more about our patient satisfaction survey.

Contact Us
Need Help?
Corporate Mailing Address1100 W 31st Street
Downers Grove, Illinois 60515
Main Line - (630) 469 9200Billing Customer Service - (866) 734 7680
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