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Locations

Lisle

430 Warrenville RoadLisle, Illinois 60532
630-790-1221

Hinsdale

40 S. Clay St.Hinsdale, Illinois 60521
630-790-1221

About Derek De Mann, DO

Philosophy of Care

My goal is to ensure that patients are well-informed and empowered to make individualized medical decisions based on the latest research. With this approach, I strive to build relationships based on trust, compassion, and aligned goals of care.

Languages

English

Clinical Interests
Benign Prostate Hyperplasia (BPH), Bladder Cancer, Enlarged Prostate, Erectile Dysfunction, Low testos­terone (Low T), Renal/Kidney Cancer, Prostate Cancer, Urinary Incontinence, Urolithiasis/Kidney Stones, Urologic Oncology, Voiding Dysfunction
Personal Interests
Cheering for the University of Louisville Cardinals, Cooking, Fishing, Golf, Hiking, Playing Pickleball, Running, Spending time with family, Traveling
Schools
University of PikevilleGraduation Date: 2019Degree: DO
Residency
University of LouisvilleResident in Urology2024

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 Dr and assistant for my father

5

Dec 3, 2025

Very thorough Doctor

5

Dec 3, 2025

Dr DeMann took my appointment promptly after a scheduling mixup w/ Dr Martin

5

Dec 3, 2025

Dr. DE Mann is a very caring person. He is very compassionate and explained everything in great detail.

5

Dec 2, 2025

Very good experience

4.8

Nov 25, 2025

Patient Satisfaction Rating

4.9

395 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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