Northwestern Medicine

ENT, Allergy and Audiology at Northwestern Medicine Regional Medical Group

Northwestern Medicine Regional Medical Group offers board-certified otolaryngologists, a board-certified allergy and immunology specialist and an audiologist dedicated to diagnosing and treating a range of ENT, allergy, immunology and audiology needs.

Our new clinic offers 11 state-of-the-art exam rooms, two procedure rooms and an audiology booth to provide hearing tests, hearing aid orientation and diagnostics. Patient-friendly hours are available to meet the needs of those who need allergy shots or hearing aid adjustments before or after work.

Northwestern Medicine Regional Medical Group treats common conditions such as:

  • Allergic asthma
  • Balance disorders, including dizziness, vertigo, Meniere’s Disease
  • Deviated nasal septum
  • Drug allergies
  • Ear conditions and infections
  • Eosinophilic asthma
  • Food allergies
  • Hay fever
  • Hearing loss
  • Hives
  • Nasal congestion (difficulty breathing, runny nose, post nasal drip)
  • Nasal polyps
  • Pediatric ear, nose and throat conditions
  • Salivary gland issues
  • Seasonal allergies
  • Sinus problems
  • Snoring and sleep apnea
  • Swallowing disorders (difficulty swallowing, acid reflux)
  • Thyroid disease
  • Tinnitus
  • Tonsil & adenoid problems
  • Voice problems (hoarseness, laryngitis)

Northwestern Medicine Regional Medical Group provides a wide range of testing and treatment options, including:

  • Allergy patch tests
  • Allergy blood tests
  • Allergy shots (immunotherapy)
  • Allergy skin testing (environmental and food)
  • Aspirin desensitization
  • Asthma testing
  • Endocrine surgery
  • Flu shots
  • Intraoperative laryngeal nerve monitoring and rapid parathyroid hormone (PTH) assay
  • Minimally-invasive endoscopic approaches
  • Nucala administration
  • Office-based diagnostic ultrasonography and ultrasound-guided fine-needle aspiration (FNA)
  • Oral Drug Challenge
  • Oral Food Challenge
  • Penicillin skin testing
  • Sialendoscopy
  • Spirometry (in-office pulmonary function testing)
  • Surgical treatment for sleep apnea
  • Thyroid surgery and parathyroid surgery
  • Venom Immunotherapy
  • Workup for recurrent infections
  • Xolair (anti-IgE) administration

Endocrine Surgery

In addition to a wide range of testing and treatment options for ENT issues, the ENT Clinic at Northwestern Medicine Central DuPage Hospital is a high-volume center for minimally invasive outpatient thyroid and parathyroid surgery for the following conditions:

  • Thyroid cancer
  • Indeterminate thyroid nodules
  • Benign thyroid nodules or goiters causing compressive symptoms or cosmetic issues
  • Substernal goiters
  • Hyper-functioning thyroid nodules
  • Grave’s disease
  • Primary and tertiary (renal) hyperparathyroidism

Other offerings include:

  • Rapid intra-operative parathyroid hormone (PTH) assay
  • In-office ultrasound and 4D Parathyroid CT scans to help localize parathyroid adenomas preoperatively
  • In-office ultrasound assessment of thyroid nodules
  • Ultrasound-guided fine-needle aspiration (FNA)
  • Alcohol ablation of thyroid cysts

Meet Our Care Team

Seth Kay, MD
Dr. Kay received his medical degree from Loyola University of Chicago Stritch School of Medicine. He completed a residency in Otolaryngology – Head & Neck Surgery at Loyola University Medical Center and is certified by the American Board of Otolaryngology. He also completed an Endocrine Surgery Fellowship at Augusta University Medical Center accredited through the American Head & Neck Society. His special interests include minimally invasive thyroid and parathyroid surgery. He performs in-office ultrasound, including FNA of thyroid nodules and other neck masses, as well as ultrasound guided alcohol ablations of thyroid cysts.


To learn more or to schedule an appointment with a specialist, please call Northwestern Medicine Regional Medical Group today.

25 N. Winfield Road
Suite 519
Winfield, IL 60190
Phone: 630.938.6161
TTY: 630.933.4833
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