Not Your Average
ENT Clinic
Not Your Average
ENT Clinic
ADVENT knows 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 expert care that accommodates not only your needs, but your busy lifestyle as well. It’s frustrating to search for and not find real relief to your breathing and sleeping concerns when you need it. With ADVENT you'll receive the care you deserve. The search stops here...

99.7% Referral Rate
Percent of ADVENT patients who would refer a family, friend or colleague

First to Offer
We were the first ENT in Wisconsin to offer Balloon Sinuplasty, in-office Balloon Sinuplasty, ClariFix®, Polypvac, PROPEL® Sinus Stent Placement, VIVAER® & in-office CT scan

1,300+ Reviews
ADVENT has helped over 31,000 people breathe well and sleep well. See what they're saying:

Founded in 2004 by Dr. Madan Kandula, board-certified otolaryngologist sinus and sleep surgeon, and Dr. Gwen Kandula, audiologist, ADVENT is an alternative to conventional ENT practices. Having realized no other industry would treat consumers the way they’re treated in healthcare, ADVENT resolved to redefine the patient experience, leaving behind the long wait times, uncertainty, and dismissal and moving toward innovation, memorable care and simple in-office solutions.
Focus On Feeling Better, Not Medical Bills
We understand your financial concerns with medical treatment. To help you navigate the complexity of insurance, we offer:
- Cost Transparency: We'll work with you to determine what your out of pocket
costs will be...before your treatment begins.
- Payment Flexibility: Nothing should stand in the way of improving your quality
of life. That's why we have financing and payment plans available to fit almost any lifestyle.

9 out of 10 Patients
Wished they would have come to ADVENT sooner to address their sinus or sleep concerns

Award-Winning
BizTimes Health Care Heroes, Milwaukee Magazine Top Doctors, Business Journal Fastest Growing Firms & Best Places to Work

Visionary
Internationally sought-after ENT practice for best practices and medical device consulting