What are the opening hours?

Monday 8am - 5pm Tuesday 8am - 5pm Wednesday 8am - 5pm Thursday 8am - 5pm Friday 8am - 5pm

South Texas Sinus Institute

Home
United States
McAllen, TX
South Texas Sinus Institute

We solve sinus problems, allergies and other ear, nose and throat conditions in South Texas. 👃👂👄
Call us @956-661-8200

4865 N Mccoll Rd
Mcallen,TX 78504
Phone: (956) 661-8200, toll free (855) 99-SINUS
Fax: (956) 661-8205

At South Texas Sinus Institute we have a team of experts ENT staff, including physicians and clinicians who are dedicated to providing you with the highest quality of care. You’ll find that all of our physicians are board-certified in Otolaryngology. Our clinicians have extensive training in ENT

and meet all of the highest education standards. If you are looking for a sinus doctor in South Texas to provide you with relief from sinusitis, snoring, or even sleep apnea, please do not hesitate to give South Texas Sinus Institute a call. Our team of experienced ENT surgeons and physicians are ready to help.

05/28/2026

🌎🎬📸✨️Happy World Marketing Day-Abby C., Marketing Director ✨ Behind every
billboard, event,
educational post,
campaign, graphic,
and branded detail…
is marketing!🌎📸

05/27/2026

Celebrating marketers everywhere —
especially our own
Abby C., Marketing Director ✨

Behind every
billboard, event,
educational post,
campaign, graphic,
and branded detail…
is marketing!

Happy World
Marketing Day!

05/25/2026

This Memorial Day, we pause to remember and honor the heroes who gave everything for our freedom.
Their courage and service will never be forgotten.

❤️🤍💙

05/23/2026

In observance of Memorial Day, South Texas Sinus Institute will be closed Monday, May 25th, 2026 🦅

Our office will resume normal business hours on Tuesday, May 26th.

As we head into the holiday weekend, we wish everyone a safe and meaningful Memorial Day. ❤️🤍💙

05/22/2026

For 2️⃣4️⃣ years, South Texas Sinus Institute has proudly served the Rio Grande Valley with compassionate care, innovation, and a commitment to helping our patients breathe easier and live better every day.

What began as a vision to provide advanced ENT and sinus care has grown into a trusted practice built on dedication, expertise, and the support of an incredible community.

To our patients, providers, staff, referral partners, and families — thank you for being part of our journey. Your trust means everything to us.

Here’s to 24 years of excellence… and many more ahead. 💙👃🏻

05/20/2026

May is Mental Health Awareness Month 💚

This month serves as a reminder to check in with yourself and others, show compassion, and help reduce the stigma surrounding mental health conversations. Small acts of kindness, support, and understanding can make a meaningful difference. 💚

Mental health is an important part of overall wellness — just as important as physical health. Taking care of your mind, body, and well-being matters at every stage of life.

Sometimes, even making an appointment for your healthcare can feel like a big task when life feels overwhelming or busy. But prioritizing your health and self-care matters, and taking that first step can be an important act of caring for yourself. 🌿

From all of us at South Texas Sinus Institute, we encourage our community to prioritize wellness, rest, support, and self-care — because health includes both mind and body.

05/19/2026

🎂🥳Happy birthday David G.,OR Director. Wishing you the best today and always. Wish big!

05/16/2026

🤧 “I have allergies.”
…but do you actually? 👀🌿

Sneezing, congestion, sinus pressure, postnasal drip, coughing, and breathing issues are often automatically blamed on allergies — but many sinus conditions can cause very similar symptoms.

That’s why symptoms alone do not always confirm an allergy. In many cases, allergy testing helps provide real evidence of what your body is truly reacting to. 🧪✨

At South Texas Sinus Institute, we understand how closely sinus and allergy symptoms can overlap, which is why proper evaluation can make a difference in finding the right path forward for your breathing and overall comfort. 🌿

This National Allergy & Asthma Awareness Month, we’re encouraging our community to look beyond assumptions and better understand the “why” behind their symptoms. 👃💚

05/15/2026

May is Military Appreciation Month 🇺🇸
This month, we proudly honor and thank all who have served and continue to serve across every branch of the United States Armed Forces — including the Army, Marine Corps, Navy, Air Force, Coast Guard, and Space Force — along with active duty, Reserve, National Guard members, and veterans. ❤️🤍💙
At South Texas Sinus Institute, we are grateful for the courage, sacrifice, and dedication shown by military members and families throughout our community, among our patients, and within our team.
Thank you for your service, your strength, and your commitment to protecting others.

05/12/2026

😴 Better Sleep Month Reminder:
Good sleep starts with good breathing.
Chronic snoring, congestion, and nighttime breathing issues may be more than just a sleep disturbance. 🌙✨

05/11/2026

Appreciation Lunch for our STSI Nursing Team! Thats a wrap for The "A" Team- great job guys 🙌👩‍⚕️🩺

Address

4865 N McColl Road
McAllen, TX
78504

Opening Hours

Monday	8am - 5pm
Tuesday	8am - 5pm
Wednesday	8am - 5pm
Thursday	8am - 5pm
Friday	8am - 5pm

Website

http://www.southtexassinusinstitute.com/

Alerts

Be the first to know and let us send you an email when South Texas Sinus Institute posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Contact The Practice

Send a message to South Texas Sinus Institute:

Shortcuts

Featured

Psych Dimensions

Want your practice to be the top-listed Clinic in McAllen?