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Care Team

Need an appointment sooner? While your primary care provider or specialist are the anchor of your care team, their advanced practice providers and physician partners are available to provide care when you need it.

Locations

Glen Ellyn

430 Pennsylvania Ave.Suite 310Glen Ellyn, Illinois 60137
630-789-4910

About Winnie Nhan, DO

Philosophy of Care

I believe that patient education, creating a partnership and working with each patient in the decision making process provides the best health outcomes. I balance their preferences and lifestyle with up to date research and medical care

General Info
Board Certifications

Internal Medicine

Languages

English

Clinical Interests

Adrenal conditions, Bone disorders, Continuous glucose monitors diabetes, Diabetes, thyroid, Parathyroid, and Adrenal test Diagnostic, Personal Continuous Glucose Monitoring, Hemoglobin A1C, Insulin Pump Management, Insulin Pump Therapy, Parathyroid, Pituitary Thyroid, Thyroid Nodule Evaluation and Surveillance

Personal Interests

Hiking, traveling, national parks, musicals

Memberships

American Association of Clinical Endocrinologists

Endocrine Society

Schools
Western University of Health SciencesGraduation Date: 2016Degree: DO
Residency
Valley Hospital Medical CenterResident in Internal Medicine2019
Fellowships
University of Michigan Health SystemEndocrinology and Metabolism2021

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.

Thank you

5

Apr 1, 2026

Dr. Nahn helped me with a path to lower my A1C numbers and improve my health.Always listens to my concerns and answers any questions.

5

Apr 1, 2026

She always shows concern about by blood sugar levels and gives solutions

5

Mar 31, 2026

Dr. Nahn is always very thorough, detailed, and answers all of my questions.

5

Mar 31, 2026

Great service!

5

Mar 28, 2026

Patient Satisfaction Rating

4.8

665 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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