Advanced Bariatrics of Northern Illinois
Verified listingAbout Advanced Bariatrics of Northern Illinois
What is Advanced Bariatrics of Northern Illinois?
Advanced Bariatrics of Northern Illinois is a bariatric practice at 802 Fox Glen Court in Barrington, Illinois, serving Chicago's northwest suburbs. Its main work is weight loss surgery, including gastric bypass, gastric sleeve, SADI-S and revisional procedures. It also runs a Medical Weight Loss program for patients who want a nonsurgical route. The surgeons are John R. Cheregi, MD, FACS, Hsin-Yi Chang, MD, FACS, and Daniel Hoeltgen, MD, FACS. Vanessa Manzo, MSN, FNP-C, manages the medical weight loss program and is obesity medicine certified. Together the team brings more than 20 years of combined experience. The office is open Monday through Thursday from 8:00 AM to 4:30 PM and Friday from 8:00 AM to 3:00 PM. The phone number is (847) 350-9564. It has a 4.9 rating on Google from 143 reviews.
The medical weight loss program includes nutrition guidance, lifestyle and behavioral coaching, support from registered dietitians, regular follow-up visits and prescription medication when appropriate. Medications it names may include Wegovy, Zepbound, Contrave, Mounjaro, Ozempic and phentermine, selected according to medical need. It offers in-person and virtual consultations for eligible patients. In its own words: "Every treatment plan is personalized. Medication may be recommended when appropriate, but it is not required for every patient."
What does it cost?
It does not publish prices for medical weight loss, and it does not state a consultation fee. It does not say whether medication is included in the program cost. It does not publish surgery prices either. It accepts most major insurance providers and says it will walk patients through their coverage, but it does not say which plans it takes.
What should you ask before you book?
Ask whether the program fee includes the medication, and whether the medication is brand-name or compounded. Ask which clinician writes the prescription and how often follow-up visits are required. Ask what lab work and follow-up cost on top of the program fee. Ask which insurance plans it accepts, and whether your plan covers the consultation or any part of the medication. Ask how to cancel a program and whether a cancellation fee applies. If you are looking at surgery, ask what the evaluation and surgical fees run and which provider you would see first.
Who is it a good fit for?
This is a good fit if you live in or near Chicago's northwest suburbs and want either a bariatric surgical evaluation or a medically managed program backed by a surgical team. It is also worth calling if you want virtual visits, as long as you confirm your insurance and the program cost before you book.
Sources: advancedbariatrics.com, advancedbariatrics.com/medical-weight-loss, advancedbariatrics.com/services, advancedbariatrics.com/our-team, advancedbariatrics.com/about-us
Services Offered
What we confirmed
Read off Advanced Bariatrics of Northern Illinois’s own website on 2026-10-24. These are their words, not ours.
- ✓Medical weight loss — listed on their site as “Options may include GLP-1 medications and other FDA-approved weight-management treatments.” source
Hours
Monday: 8:00 AM - 4:30 PM Tuesday: 8:00 AM - 4:30 PM Wednesday: 8:00 AM - 4:30 PM Thursday: 8:00 AM - 4:30 PM Friday: 8:00 AM - 3:00 PM