Advanced Bariatrics

Advanced Bariatrics Advanced Bariatrics was created to help people struggling with obesity confront their challenges and discover a happier, healthier way of living.

04/23/2026

Talk about a success story!

Norine Carro has lost 120 lbs after bariatric surgery — but what matters most is how her life has changed beyond the scale.

She has experienced resolution of her sleep apnea, diabetes, and heart-related concerns — and she’s now able to focus on what truly matters.

💛 Playing with her granddaughter
💛 Making meaningful memories
💛 Living a more active, engaged life

Her journey is a powerful reminder that improving your health can open the door to more time, more energy, and more moments with the people you love.

For many patients, achieving and maintaining a healthier weight is associated with improved quality of life and long-term health benefits.

💬 If you’ve been thinking about taking the next step, message us or join an upcoming info session to learn more.

04/22/2026










  We are ❤️ this   from Amy Fiebig Grant!   is so proud of you! I am 2 years after having gastric bypass surgery! I am s...
04/22/2026

We are ❤️ this from Amy Fiebig Grant! is so proud of you!

I am 2 years after having gastric bypass surgery! I am so happy I did it. I have another 20ish pounds I would like to lose, but I feel so wonderful in my own skin now. After struggling for so many years with body image, and and internalizing our culture's opinion that obesity is a moral failure, a lack of discipline and self control, I am learning that obesity is a complex health issue and there is no shame in using the tools available (surgery, medication, nutritionists) in addition to learning to nourish my body with good fuel and focusing on my strengths. I am now on a GLP-1 to help me get closer to my goal and I am so thankful for all the tools available and the medical research that has gone into obesity medicine in recent years.

In the last couple months, I have essentially replaced my entire wardrobe and have had so much fun shopping for clothes that are cute, and make me feel good. The big shift has been that even though I am not at my goal weight, I know I deserve to have clothes that I love and feel good in. I don't have to wait until I am where I want to be to have fun with clothes.

April’s support group will focus on the topic of   This isn’t about a diet. It’s about learning your body’s hunger cues ...
04/21/2026

April’s support group will focus on the topic of

This isn’t about a diet. It’s about learning your body’s hunger cues and responding in a way that reflects the healthy lifestyle you’re looking to live!

Advanced Bariatrics

Monday Motivation 💙Living life with no regrets.It’s something so many of us strive for.One of the most common things we ...
04/20/2026

Monday Motivation 💙
Living life with no regrets.
It’s something so many of us strive for.

One of the most common things we hear from patients after bariatric surgery?
They wish they had explored their options sooner.
Not because the journey is easy — but because of how much life opens up on the other side.

Emmie is a powerful example.
After her SADI-S surgery, she’s lost 120 lbs — and more importantly, she’s gained the ability to live more fully and intentionally.
✨ More energy
✨ More confidence
✨ More freedom to enjoy everyday moments

Her story is a reminder that investing in your health can create opportunities for a more active, engaged life.

If you’ve been thinking about your next step, learning about your options is a great place to start.
💬 Message us or join an upcoming info session to learn more.

  to our amazing patients - Maribel & danahardel - for sharing their   at our physician outreach dinner!   to Medtronic ...
04/17/2026

to our amazing patients - Maribel & danahardel - for sharing their at our physician outreach dinner!

to Medtronic for their support!

Let’s continue fighting the disease of and helping our one patient at a time!

Advanced Bariatrics

Weight Loss Wednesday 💡Did you know there’s a strong connection between obesity and fatty liver disease?Studies have sho...
04/15/2026

Weight Loss Wednesday 💡

Did you know there’s a strong connection between obesity and fatty liver disease?

Studies have shown that a significant number of individuals with fatty liver disease — and even liver cirrhosis — are also living with obesity. With obesity affecting millions of adults in the U.S., this is an important health conversation to have.

The encouraging news?

Weight loss can make a meaningful difference.
For many patients, losing weight has been associated with improvement — and in some cases, resolution — of fatty liver disease.

Bariatric surgery is one option that has been shown to support significant and sustained weight loss, along with improvements in obesity-related conditions, including liver health.

Every patient’s journey is different, but taking steps to address your health earlier rather than later can have a lasting impact.

💬 Have questions about your options? Message us or join an upcoming info session to learn more.

Comparison is the thief of joy… but are you living like it? 💭In a world of before-and-after photos and highlight reels, ...
04/14/2026

Comparison is the thief of joy… but are you living like it? 💭

In a world of before-and-after photos and highlight reels, it’s easy to forget:

Every weight loss journey is different.

Different starting points.
Different motivations.
Different timelines.

What may look “easy” from the outside is often built on daily choices, discipline, and commitment behind the scenes.

Those living the bariatric journey know — it takes showing up for yourself every single day to prioritize your health and your future.

So here’s your reminder:
✨ Celebrate your own wins — big or small
✨ Cheer others on in their journey
✨ And never take away from your own progress by comparing it to someone else’s

Your journey is yours for a reason. And it’s worth celebrating. 💙

💬 What’s one win you’re proud of this week?

The SADI-S looks amazing on you, Star Oyinlola!At her 1-year surgiversary, she’s down an incredible 201 lbs — a transfor...
04/09/2026

The SADI-S looks amazing on you, Star Oyinlola!

At her 1-year surgiversary, she’s down an incredible 201 lbs — a transformation that goes far beyond the scale.

Her journey hasn’t been easy, but it’s been worth it in every way.
Today, she’s:
✨ Living with more energy
✨ Experiencing greater freedom in daily life
✨ Showing up fully for herself and her future

Her biggest takeaway?
She wishes she had started sooner.

Because when it comes to your health, waiting doesn’t make it easier — taking action does.

Obesity is a chronic disease, and addressing it with the right tools and support can make a life-changing difference.

💬 If you’ve been thinking about your next step, message us or join an info session to learn more.

Although we were supposed to have our   at 6:00 PM tonight with an amazing guest patient, Dr. Cheregi has been called to...
04/08/2026

Although we were supposed to have our at 6:00 PM tonight with an amazing guest patient, Dr. Cheregi has been called to do an emergency surgery as he is our on call surgeon today. Instead, please check out this previous seminar with yet another inspiring patient.

This is "AQO8jChv0FhwbhWR3vEtySrTJpZaFOgvFqJT-tDlMy8Bm6e853_dg_iphRKff2Iqu1zSodiNa6XoCfNz5jt5PtfDeweQY-hZbY8-2DSuxT13jpmJKTSrGQJ0AmhbYC20" by Advanced Bariatrics on Vimeo, the home for high quality videos and the people who love them.

April’s support group will focus on the topic of   This isn’t about a diet. It’s about learning your body’s hunger cues ...
04/08/2026

April’s support group will focus on the topic of

This isn’t about a diet. It’s about learning your body’s hunger cues and responding in a way that reflects the healthy lifestyle you’re looking to live!

Advanced Bariatrics

04/07/2026

Transformation Tuesday ✨

So… what exactly is SADI-S surgery?

SADI-S (Single Anastomosis Duodeno-Ileal bypass with Sleeve) combines key elements of both a gastric sleeve and a gastric bypass — designed to support significant, long-term weight loss and metabolic improvement.

It may be considered for patients who:
✔ Are living with type 2 diabetes that’s difficult to manage
✔ Have a BMI greater than 50 and are looking for an effective, long-term solution
✔ Want a procedure that addresses both restriction and absorption

Like all treatments, the right option depends on your individual health history and goals — which is why education is so important.

If you’ve been thinking about starting your journey, learning about your options is the first step.

💬 Message us Advanced Bariatrics to get started.

Address

802 Fox Glen Court
Barrington, IL
60010

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 4pm

Telephone

+18473509564

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Advanced Bariatrics

Led by two fellowship-trained weight loss surgery specialists, Dr. John Cheregi and Dr. Hsin-Yi Chang, Advanced Bariatrics was created to help people struggling with obesity confront their challenges and discover a happier, healthier way of living.

For many people, obesity is a chronic condition that requires medical intervention. At Advanced Bariatrics, we are committed to providing a judgment-free environment. We work closely with our patients to develop a treatment plan that will redefine what the future looks like.

The collaborative approach used by Dr. Chang and Dr. Cheregi is designed to help our patients identify the plan and procedure that will help them achieve success. Our doctors are passionate about being there every step of the way during what becomes a life-changing journey for most of our patients.