
Lose Weight. Gain Life. Expert Bariatric Surgery Near Chicago.
Dr. El Djouzi provides life-changing, compassionate weight loss surgery for patients across Illinois.





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.
Learn More About Dr. El Djouzi
Explore Your Weight Loss Options
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.
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.
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.
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.
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.
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.
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

"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."

"I've successfully maintained my 80-pound weight loss for 2 full years since my gastric sleeve revision surgery! My health has completely transformed."
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
Service Areas
Darien, Naperville, Bolingbrook, Downers Grove, Orland Park, Plainfield, Lemont
Have questions about our procedures or your eligibility?