Midwest Sinus, Sleep & Allergy Associates

Otolaryngology • Mount Vernon, IL • 8 locations locations

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About

Midwest Sinus Sleep & Allergy Associates (MW Sinus, Sleep & Allergy, LLC) is an ENT-focused healthcare practice based in O’Fallon, Illinois, with 9 offices across Illinois, including Mount Vernon. They specialize in allergy and sinusitis care, hearing loss, sleep disorders, and cosmetic/wellness services. The organization is privately held, employs 6 staff (growing), and emphasizes high-quality ENT care. For Mount Vernon, IL, their address is 3124 Veterans Memorial Dr., Mount Vernon, IL 62864. Contact: +1 618 816 0715.

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Clinic Type

Otolaryngology

Address

1179 Fortune Blvd, O'Fallon, Illinois 62269, US

Phone

618-816-0715 (Effingham, Mt. Vernon, Greenville, Highland) and 618-628-0715 (Shiloh, Edwardsville, Columbia, Breese)

Email

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Opening Hours

Not published — contact the clinic to confirm hours.

Website

https://mwsinusandsleep.com/

Services Offered

Sinus care
Sleep disorders
Hearing disorders
Allergy care
Otolaryngology
Endoscopic sinus surgery
Balloon sinuplasty
Septoplasty
Hearing aids

Technology & Equipment

Endoscopic sinus surgery
Balloon sinuplasty
Septoplasty
Sleep studies

Team

Dr. Ketan Shah — Founder/Director

Insurance & Payment

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Languages Spoken

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Social Media

Facebook

Photos

What Patients Say

Overall sentiment across review platforms: positive

Birdeye/Google: 4.9 out of 5 stars (400 Google reviews)

Patients praise

Professional and knowledgeable medical staff
Prompt appointment scheduling and minimal wait times for many patients
Effective and clear communication of medical conditions and test results
Clean and comfortable office environment

Common complaints

Occasional administrative or communication issues, such as emails sent to non-patients
Instances of waiting for providers when the office is busy

"Most recently I have been seeing Alyssa and her team for allergy shots in hopes to be less allergic to my pack of animals(and the world). They have been absolutely phenomenal in every way."

— LocalityBiz Patient Review

"Waited for a couple minutes and the dr came in and explained my situation in a way that any laymen can understand. Overall it was a very nice experience that I would recommend over and over."

— LocalityBiz Patient Review

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

In the News

Tonsillar Coblation: A Minimally Invasive Alternative to Tonsillectomy Now Offered at National Sinus Institute — Jul 18, 2025
How AAIRS Clinic & Troy Sleep Center Expands Access To Sleep Care Across Southeast Michigan | — Jul 1, 2026
Sleep Better Marysville Expands Sleep Apnea Treatment Services in Marysville, Ohio with Noninvasive Solutions for Obstructive Sleep Apnea Patients - Daily Leader — Feb 25, 2026

Information sourced from the clinic's website as of July 11, 2026. Own this clinic? Claim or correct this listing.