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Jacek Zajac, M.D.

Specialty: Endocrinology

Group Affiliation: Endocrinology Associates, SC

Special Medical Interests:

  • Thyroid Disease
  • Pituitary, Brain Tumors
  • Obesity
  • Menstrual Problems
  • Diabetes
  • Adrenal Diseases

Additional Languages: Polish, Russian

Years in Practice: 13

Board Certifications:

  • American Board of Endocrinology


  • Medical School: Jagiellonian University, Krakow, Poland
  • Internship: Not Available
  • Residency: Maimonides Medical Center
  • Fellowship: Beth Israel Medical Center, NY

Philosophy of Care:

I will strive to provide the most complete care possible in a humane and considerate fashion.

Office Location(s):

Endocrinology Associates, SC
130 S. Main Street
Suite 303
Lombard, IL 60148

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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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