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.

02/18/2026

Weight Loss Wednesday 💬
Sustainable weight loss isn’t just about a prescription — it’s about having the right team guiding you every step of the way.
Long-term success requires:
✔️ Nutrition education
✔️ Muscle preservation strategies
✔️ Ongoing follow-up & accountability
✔️ A personalized plan built for you
Whether you’re exploring medical weight loss or bariatric surgery, the team at Advanced Bariatrics is committed to education, support, and sustainable results.
🎥 Join us LIVE next Wednesday at 6:00 PM to learn how to build a weight loss plan designed for long-term success.

Who you trust with your weight loss matters.GLP-1 medications aren’t meant to be ordered online without proper medical s...
02/17/2026

Who you trust with your weight loss matters.

GLP-1 medications aren’t meant to be ordered online without proper medical supervision — and they’re not just a prescription.

Without education and monitoring, patients risk:
⚠️ Malnutrition
⚠️ Muscle loss
⚠️ Worsening disordered eating
⚠️ Poor long-term results

Obesity is a chronic disease. It deserves comprehensive, expert care — not shortcuts.

Choose an obesity medicine–certified provider who educates, monitors, and personalizes your plan.

At Advanced Bariatrics & Team Cheregi, your health is personal.

📩 Reach out to learn the right way to pursue your goals.




Glucagon-like peptide 1 (GLP-1) receptor agonists are revolutionizing obesity and type 2 diabetes treatment, delivering remarkable weight loss outcomes. These medications, leveraging the effects of the insulin-regulating hormone GLP-1 via actions on ...

Monday Motivation 💪✨Dana has lost an entire person — 160+ lbs after her SADI-S surgery with Team Cheregi.But this didn’t...
02/16/2026

Monday Motivation 💪✨

Dana has lost an entire person — 160+ lbs after her SADI-S surgery with Team Cheregi.
But this didn’t happen overnight.

Research shows most patients think about bariatric surgery for 2–3 years before taking the next step.

If you’re feeling fearful or hesitant, you are not alone.

But here’s a different question to consider:
Are you more afraid of surgery…
or of losing the 10 years of life that obesity can take from you?

Obesity is a chronic disease — and it shortens life expectancy by nearly a decade.

That’s 10 years of memories.
10 years of family time.
10 years of milestones.
You deserve that time.
You deserve your health.
You deserve your future.

If you’re ready to stop waiting and start living your healthiest life yet — DM us.

Happy Galentine’s Day to our incredible bariatric babes 💕✨The sisterhood you share is something truly special. No one un...
02/13/2026

Happy Galentine’s Day to our incredible bariatric babes 💕✨

The sisterhood you share is something truly special. No one understands this journey quite like someone who has walked it too.

Each of you has taken a different path — but you’re united by one powerful bond: conquering the disease of obesity and reclaiming your health.

You’ve reclaimed your freedom.
You’re living boldly.
You’re stronger than ever.

And we could not be more proud of every single milestone, every ounce of effort, and every victory along the way.

Here’s to strong women, strong support systems, and lifelong success 💖


02/12/2026

“What does my insurance cover?”
This is the #1 question we get asked.

And it’s an important one — whether you're considering medical weight loss or bariatric surgery.

Here’s what many patients don’t realize:

📉 Insurance coverage for weight loss medications has dropped to 27%
📈 Coverage for bariatric surgery remains around 95%

Why?

Because insurance companies look at:
✔️ Cost-effectiveness
✔️ Long-term outcomes
✔️ Proven durability of results

For many plans, bariatric surgery remains the most cost-effective treatment with the strongest long-term data.

Navigating insurance requirements can feel overwhelming — but you don’t have to do it alone.

At Advanced Bariatrics, we help you:
✅ Verify your benefits
✅ Understand requirements
✅ Build a realistic timeline
✅ Choose the right path for you

Your weight loss journey deserves clarity — not confusion.

📞 Reach out and let our team guide you through the insurance landscape.


Transformation Tuesday ✨Deanna changed her life in 2025 — losing 180 lbs and 76% of her excess body weight following SAD...
02/10/2026

Transformation Tuesday ✨
Deanna changed her life in 2025 — losing 180 lbs and 76% of her excess body weight following SADI-S surgery with Team Cheregi.

Just look at that smile 😁 Healthy. Confident. Thriving.

These results don’t come from a magic pill or even a magic surgery. Bariatric surgery is a tool — and success comes from education, commitment, and the right support.

At Team Cheregi, we believe in honest conversations about bariatric surgery and medical weight loss. We set realistic goals, realistic timelines, and surround our patients with expert dietitians and trusted therapists to support the hard work you put in.

📍 Education first.
📍 Long-term results.
📍 Real transformations.

02/09/2026

🏈 As seen during the Super Bowl…
Weight loss medications like Wegovy®, Ozempic®, and other GLP-1s were everywhere.

But here’s what the ads didn’t tell you 👇
These medications are not right for everyone.

At Advanced Bariatrics, we provide care both in-person and virtually, without ever compromising on what matters most: education, safety, and long-term success.

Our team of surgeons, nurse practitioners, and registered dietitians takes the time to determine who is truly a candidate for medications, surgery, or a combination approach — because weight loss is not one-size-fits-all.

If you’re looking for personalized care and a plan built around your health goals, not hype, Team Cheregi is here for you.
We’re invested in more than short-term results — we’re committed to your long-term health and success.




02/06/2026

❤️ National Wear Red Day ❤️
Cardiovascular disease is the #1 killer of women — and here’s a fact that often gets overlooked:
👉 80% of patients with heart disease are overweight or obese.
This isn’t about cosmetics. Obesity is a chronic, life-threatening disease.
It fuels heart disease, diabetes, and multiple cancers.
The good news?
📉 Bariatric surgery can reduce mortality from heart disease by 50–75%.
Fad diets and medications may help short-term, but they rarely deliver durable, life-saving results. If you’re serious about long-term health and disease prevention, it’s time to treat obesity like the medical condition it is.
❤️ Your heart deserves more than a temporary fix.


Education makes the difference. 💡Not every bariatric program prioritizes investing in patients through education — but a...
02/05/2026

Education makes the difference. 💡

Not every bariatric program prioritizes investing in patients through education — but at Advanced Bariatrics, we believe an educated patient is a successful patient.

That’s why we offer a free monthly support group for our patients, focused on education, connection, and long-term success.

📅 February Support Group Topic:
Our psychology partners, Dr. Lofland and Dr. Greenberg, will lead an important discussion on transfer addiction after bariatric surgery — a key topic in maintaining long-term health and balance.

✨ Knowledge empowers you.
✨ Support sustains you.
✨ You never walk this journey alone.


The scale doesn’t tell the whole story. And when it comes to weight loss, what you lose matters just as much as how much...
02/03/2026

The scale doesn’t tell the whole story.

And when it comes to weight loss, what you lose matters just as much as how much you lose.

A body composition scan helps us go beyond the number on the scale so we can:
✔ Track fat loss (not just weight loss)
✔ Monitor and preserve muscle mass—critical for metabolism and long-term success
✔ Catch metabolic changes early before they become setbacks

Why does this matter?

Losing muscle instead of fat can slow your metabolism, weaken your body, and increase weight regain. A body composition scan allows your care team to adjust your nutrition, exercise, and medical weight management plan to protect your results.

💡 These scans are:
• Fast, safe, and repeatable
• FDA-cleared for a wide range of patients
• Safe for individuals with pacemakers and cardiac devices

This isn’t guesswork.

It’s data-driven weight loss, personalized to your body.

📊 Because sustainable weight loss isn’t just about losing pounds—it’s about building a healthier body.

👉 Ask your provider if a body composition scan is right for you.




This is why how you receive weight loss support matters. 👇Care that starts with TV commercials and online ads often skip...
02/02/2026

This is why how you receive weight loss support matters. 👇

Care that starts with TV commercials and online ads often skips what patients truly need—medical oversight, education, and long-term support. Appetite-suppressant medications are real medical treatments, and like all medications, they come with real side effects.

That’s why weight loss should be managed by a local, obesity-certified provider and a team of registered dietitians who can help you safely navigate today’s medications. And sometimes, the most important part of care is having a provider who will be honest when medications aren’t the right fit for you.

If you want a team that educates you, supports you, and tells you the truth—Team Cheregi is here for you.



From nausea and exhaustion to emotional shifts and social awkwardness, people on GLP-1 medications are sharing the side effects they didn't expect — and rarely see talked about. View Entire Post ›

Education Matters. 📚💪Did you know that without proper education on nutrition and exercise, GLP-1 medications can cause y...
01/29/2026

Education Matters. 📚💪

Did you know that without proper education on nutrition and exercise, GLP-1 medications can cause you to lose critical muscle mass—not just fat?

🚨 Losing muscle mass can impact:
• Strength and mobility
• Long-term function and independence
• Metabolic health
• Future healthcare costs

Here’s the real risk 👉
If muscle is lost during GLP-1 treatment and weight is regained after stopping the medication, the weight that returns is fat—not muscle. That can leave you less healthy than when you started.

That’s why how you lose weight matters just as much as how much you lose.

Working with a team like Team Cheregi ensures GLP-1 medications are used safely, strategically, and effectively—so you lose fat, protect muscle, and build results that last.

📩 DM us to learn how education + support = long-term success.



Up to 39% of lean muscle mass can be lost during GLP-1 treatment. Learn why structured movement is critical to protecting long-term health.

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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Category

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.