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Serving Chicagoland...

ADVENT Northbrook

It will take less than 60 seconds

Serving Chicagoland...

ADVENT Northbrook

It will take less than 60 seconds

ENT Clinic in Northbrook, Illinois

Our Northbrook clinic is conveniently located near a variety of shopping and dining options. ADVENT knows you want to be your best self. We understand your inability to breathe freely and sleep well hinders your quality of life, which is why we pioneered simple in-office sinus and snoring solutions to help you live the life you were meant to live.

Northbrook Clinic Details

Hours of Operation:






Monday: 7:30am-5:30pm

Tuesday: 7:30am-5:30pm

Wednesday: CLOSED

Thursday: 7:30am-5:30pm

Friday: 7:30am-5:30pm






We're In-Network With Most Insurance Plans:

  • Aetna
  • Anthem/Blue Cross Blue Shield (BCBS)
  • Health EOS
  • Humana
  • Multiplan
  • Trilogy


From the North or South:

  • Get on I-94 E to IL-43 S/S Waukegan Rd in Northfield Township.
  • Take exit 27 from I-94 E
  • Follow IL-43 S/S Waukegan Rd
  • Take a left then a right and you will arrive at the ADVENT clinic

From the East or West:

  • Take E Euclid Ave, W Lake Ave and Willow Rd to Founders Dr in Northbrook
  • Continue on Founders Dr to the ADVENT clinic

What To Expect During Your First Appointment:

The inability to breathe or sleep well interferes with your ability to enjoy your day-to-day, leaving you feeling miserable and left out of your own life. As pioneers of the ENT field, our goal is to offer you expert medical care that meets not only your needs, but your busy lifestyle as well.

At your first visit, we'll focused on finding the facts with an exam to ensure we understand the root of your issue. We'll talk with you about your goals and design a that's plan specific to you. ADVENT is the only clinic that provides you with a complete Breathing Triangle® Evaluation. Your highly trained medical provider will immediately review the results with you and discuss a personalized plan to solve your issues.

Photos of the ADVENT Office in Northbrook

Northbrook, Illinois Clinic ENT Providers

Justin Wittkopf, MD

Board-Certified Otolaryngologist
Sinus and Sleep Surgeon

Nicole Bauknecht, PA-C

Physician Assistant

Fatima Klassman, PA-C

Physician Assistant

Sarah Moony, PA-C

Physician Assistant

Rina Patel, PA-C

Physician Assistant

Erbay Salievski, PA-C

Physician Assistant

Berin Simsek, PA-C

Physician Assistant

Northbrook Clinic FAQ

  1. Do I need a referral?
    Most insurance does not require a referral. If yours does, we can let you know.
  2. Do you accept my insurance?
    We are in-network with most insurance plans, including Aetna, Anthem/Blue Cross Blue Shield (BCBS), Health EOS, Humana, Multiplan, Trilogy, and more.
  3. How is ADVENT different than other clinics?
    One of the many reasons patients choose us is because we have a 99.7% referral rate. We also do something no other ENT clinic does: we give our patients a complete Breathing Triangle® Evaluation. This evaluation is unique to ADVENT and puts a 100% focus on your airway issues. This allows us to get to the root of your snoring or sinus issue. The Breathing Triangle® evaluation has helped over 31,000 ADVENT patients breathe and sleep better.
  4. What if I already tried to get help and nothing worked?
    After being dismissed by their primary care doctor or given a band-aid solution at a sleep center, many patients come to ADVENT. They find success here because of our proven process Breathing Triangle® evaluation and simple in-office solutions.
  5. How long will my appointment be?
    Your new patient appointment will be 30 minutes long. This visit is focused on finding the facts with an exam to ensure we understand the root of your issue. We'll discuss your goals and design a plan specific to you.