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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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    • 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
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Tammy Laas, APRN-CNP

Tammy Laas, APRN-CNP - Allergists Plainfield, IL - Oak Brook Allergists - allergies - allergy treatment near me - Allergists Downers Grove, IL - Allergists Naperville, IL  - Allergists Elmhurst, IL

Tammy Laas is a board-certified family nurse practitioner delivering compassionate, experienced patient care, diagnosing and treating a wide range of allergy and asthma conditions. She joined Oak Brook Allergists in 2013.

Education

  • Undergraduate: Bachelor of science in nursing – Lewis University, Romeoville, Illinois (2006)
  • Graduate: Master of science in nursing – Rush University, Chicago, Illinois (2011)

Board Certification

  • American Nurses Credentialing Center

Professional Memberships

  • American Association of Nurse Practitioners
  • National Association of Pediatric Nurse Practitioners

Schedule your appointment with one of the allergy and asthma care providers at Oak Brook Allergists by calling (630) 574-0460 or request an appointment now.

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

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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.