Premier Bariatric Institute
Happy woman after successful gastric sleeve surgery

Lose Weight. Gain Life. Expert Bariatric Surgery Near Chicago.

Dr. El Djouzi provides life-changing, compassionate weight loss surgery for patients across Illinois.

★★★★★ 4.9/5 by 400+ Patients
Bleu Distinction Center for Bariatric Surgery
MBSAQIP Certification
Center of Excellence
Center for Robotic Surgery
UC Health

Meet Dr. El Djouzi – Your Weight Loss Partner

At Premier Bariatric Institute, we combine compassionate weight loss care with elite surgical expertise. Dr. Sofiane El Djouzi, ranked among the top 1% of bariatric surgeons nationwide, brings dual board certification, fellowship training, and over 15 years of experience with 2,400+ successful weight loss procedures.

Serving Darien and West Chicago suburbs, plus patients from Wisconsin, Indiana, and Iowa, Dr. El Djouzi delivers personalized bariatric solutions addressing both physical transformation and emotional wellbeing.

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2400+ Successful Surgeries
15+ Years Experience
Top 1% of Bariatric Surgeons
Dr. El Djouzi in his bariatric office

Explore Your Weight Loss Options

Gastric Sleeve icon

Gastric Sleeve

Gastric sleeve surgery removes a large portion of the stomach to create a small, tube-shaped pouch. This limits food intake, reduces hunger hormones, and promotes long-term weight loss.

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Gastric Bypass icon

Gastric Bypass

Gastric bypass surgery involves creating a small stomach pouch and rerouting the intestines. This powerful procedure reduces food absorption and appetite, helping patients achieve significant weight loss.

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Lap Band icon

Lap Band

Lap band surgery places an adjustable silicone band around the upper stomach to restrict food intake and enhance fullness. This minimally invasive procedure helps patients eat smaller meals.

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SADI-S icon

SADI-S

SADI-S surgery combines sleeve gastrectomy with a simplified intestinal bypass for enhanced weight loss and metabolic improvement. Ideal for patients needing powerful, long-term results.

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Gastric Balloon icon

Gastric Balloon

The gastric balloon is a non-surgical weight loss procedure where a soft balloon is inserted into the stomach and inflated to reduce space. This promotes early satiety and supports moderate weight loss.

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Bariatric Revision icon

Bariatric Revision

Bariatric revision surgery addresses issues from previous weight loss surgeries. By modifying the original procedure, it restores effective weight loss and improves patient outcomes.

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Why Choose Dr. El Djouzi?

Credentials & Safety

Dr. El Djouzi is dual board-certified in General Surgery and Obesity Medicine, with MBSAQIP accreditation and over 2,400 successful procedures.

Long-Term Support

Comprehensive care team including a bariatric nutritionist and behavioral counselor, plus a vibrant online community for ongoing support.

Advanced Techniques

With 17 years of robotic experience, Dr. El Djouzi performs minimally invasive procedures with enhanced recovery protocols.

98% Satisfaction

Consistently 5-star rated via Google and internal surveys. Most patients recommend us to friends and family.

15+ Years Specialized

Expert in high-BMI cases and complex revisions. Published author and faculty surgeon at Loyola University.

Multilingual Access

Fluent in Arabic and French; conversational in Spanish. Culturally inclusive care for a global patient base.

Evidence-Led Approach

All decisions follow ASMBS, IFSO, and SAGES guidelines. Personalized treatment plans based on clinical data.

Award-Winning Care

Recognized by ASMBS and SAGES for research excellence. A respected authority in the global bariatric community.

Success Stories & Transformations

Patient before and after transformation, 100lbs lost
★★★★★

"My life transformed after losing 100 pounds in just 6 months following my gastric bypass surgery! I've regained my confidence, energy, and finally feel like myself again."

– Saleem, Successful Gastric Bypass Patient

Patient before and after transformation, 80lbs lost
★★★★★

"I've successfully maintained my 80-pound weight loss for 2 full years since my gastric sleeve revision surgery! My health has completely transformed."

– LaRhonda, Long-term Bariatric Revision Success

Not sure if you qualify?

Take our 60-second quiz to find out if you're eligible for weight loss surgery.

Weight Loss Surgery 101

Watch our free comprehensive webinar about bariatric surgery options.

We favor virtual consultations for your convenience

Visit Us in Darien, IL

Premier Bariatric Institute

2821 83rd Street, Darien, IL 60561

Fax: 773 365 1515

Office Hours: Mon–Fri 9am–5pm

Service Areas

Darien, Naperville, Bolingbrook, Downers Grove, Orland Park, Plainfield, Lemont

Have questions about our procedures or your eligibility?