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In observance of the holidays, all offices will be closed from December 24th through December 26th. We'll resume regular operations on December 27th, and close again for New Year's Eve and New Year's Day.  Wishing you a happy and healthy holiday season! 

Oak Brook Allergists
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    • Downers Grove: (630) 789-0575
    • Elmhurst: (630) 574-0460
    • Naperville: (630) 961-2960
    • Plainfield: (815) 609-8286
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  • Our Team
    • David J. Knysak, MD
    • Raymond M. Pongonis Jr., MD
    • Zachary E. Rubin, MD
    • Jennifer Catalfio, PA-C
    • Tammy Laas, APRN-CNP
  • Conditions & Treatments
    • Allergic Rhinitis (Hay Fever)
    • Asthma
    • Chronic Sinusitis
    • Eczema & Hives
    • Food Allergies
    • Oral Immunotherapy
    • Pet Allergies
    • Stinging Insect Allergies
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Allergists in Downers Grove, IL

Allergists near me - Allergists Downers Grove, IL - Oak Brook Allergists - Allergy and Asthma Center

Thank you for choosing Oak Brook Allergists in Downers Grove, Illinois. We look forward to providing you with the finest allergy and asthma care possible.

All of our healthcare services and providers are available at our Downers Grove location. Find out what to expect when you visit Oak Brook Allergists, plus get answers to common questions about billing, prescription requests, referrals, after-hours help, and more on our Contact & Locations page.

To schedule an appointment, call us at (630) 574-0460 or request your appointment now.

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Hours

Our office hours in Downers Grove, Illinois, are:

  • Wednesday: 10 am – 1 pm, 2 pm - 6 pm
  • Thursday: 2 pm - 6 pm
  • Saturday: 9 am – 12 pm

The Downers Grove office is closed on Monday, Tuesday, and Friday.

Downers Grove Office Address

Phone: (630) 789-0575
Fax: (630) 789-0594

Address:
6800 S. Main Street, Suite 110
Downers Grove, IL 60516

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Oak Brook Allergists Blog

Learn about the latest advances in allergy and asthma treatments, plus news about our practice.

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Patient Education

Explore allergy and asthma conditions and treatments in our patient education center.

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Oak Brooks Allergists

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At Oak Brook Allergists, our asthma and allergy specialists offer comprehensive care for Allergic Rhinitis (Hay Fever), Asthma, Chronic Sinusitis, Eczema & Hives, Food Allergies, Pet Allergies, and Stinging Insect Allergies.