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William C. Bayer, M.D.

Specialty: Endocrinology

Group Affiliation: DuPage Internal Medicine, LLC

Special Medical Interests:

  • Thyroid Disease
  • Sexual Dysfunction
  • Osteoporosis
  • Endocrinology
  • Diabetes


  • Medical School: Loyola University Medical Center
  • Internship: Loyola University Medical Center
  • Residency: Loyola University Medical Center

Philosophy of Care:

Listening to the patient and having the patient actively involved in their management creates a highly effectie way to provide excellent medical care.

Office Location(s):

DuPage Internal Medicine, LLC
517 Thornhill Drive
Carol Stream, IL 60188

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Elmhurst Memorial Healthcare Network

This site is part of the Elmhurst Memorial Healthcare network of Web sites, which covers a variety of topics using the same philosophy: When it comes to medical care, we know that you have a lot of options. And we want you to know that you're more than a patient to us. You're an individual. We would appreciate the opportunity to provide you with state-of-the-art medical care and down-to-earth, personalized attention.

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