Board-certified Allergists in Oswego

The test is performed on the patient's back. An allergist in the laboratory conducts an allergy prick-test. Skin test for household, food, epidermal allergic reactions.

There are a few ways to find a good allergy doctor in Oswego, Illinois.

  • Ask your primary care physician for a referral.
  • Check with your insurance company to see if they have any recommendations.
  • Search online for doctors who specialize in allergies and asthma in northeastern Illinois.
  • When choosing an allergy doctor, make sure to check for board certification.

There are many reasons to choose a board-certified allergist in Oswego.

  • A board-certified allergist has the training and experience to diagnose and treat allergies properly.
  • He/she is typically up-to-date on the latest allergy treatments and can offer you the most effective care possible.
  • You can be assured that you are receiving high-quality care from an experienced professional.

If you are looking for the best allergy doctor in Oswego, consider Oak Brook Allergists, which provides the finest allergy and asthma treatments in northeastern Illinois. Let’s discuss some of the finest board-certified allergists at Oak Brook Allergists serving Oswego.

David J. Knysak, MD

Dr. Knysak is double board-certified in internal medicine and immunology, with decades of experience in treating allergy sufferers in northeastern Illinois. Dr. Knysak has been in practice since 1982. Dr. Knysak went to medical school at Northwestern University School of Medicine and completed fellowship training in allergy, asthma, and immunology at the University of Michigan Medical Center.

Raymond M. Pongonis Jr., MD

Dr. Pongonis is double board-certified in internal medicine and immunology, with 15 years of experience treating allergy patients. Dr. Pongonis completed medical school at The Ohio State University College of Medicine and fellowship training at Vanderbilt University in Nashville, Tennessee.

Zachary E. Rubin, MD

Dr. Rubin is double board-certified in pediatrics and immunology. Dr. Rubin treats our pediatric patients with allergies. Dr. Rubin completed medical school at Case Western Reserve University School of Medicine in Cleveland, Ohio, did his residency training in pediatrics at the University of Illinois College of Medicine, and his fellowship training in adult and pediatric allergy and immunology at Washington University School of Medicine in St. Louis, Missouri.

Oak Brook Allergists also has a board-certified physician assistant (PA) and certified nurse practitioner (CNP) specializing in allergy treatments. Jennifer Catalfio, PA-C, is part of our team of board-certified allergists and is instrumental in developing our popular oral immunotherapy program. Jennifer completed her Master of physician assistant studies at Marquette University, Milwaukee, and is board-certified by the National Commission on Certification of Physician Assistants.

Tammy Laas, APRN-CNP

Tammy Laas, APRN-CNP, is another very important part of our allergists’ team providing compassionate, patient-centric care to our patients. Tammy completed her Master of Science in nursing at Rush University, Chicago, and is board-certified by the American Nurses Credentialing Center.

At Oak Brook Allergists, we combine expertise with compassionate, patient-centric care. Our highly individualized treatments have built our reputation as one of the leading allergy care providers in northeastern Illinois. We proudly serve Oswego and have convenient locations throughout Will and DuPage County.

To schedule an appointment with one of our board-certified allergists, call our office today at (630) 574-0460 or use our convenient online appointment request form.