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Summary: SI Medical Weight Loss Clinic is a private medical practice focused on weight loss, with headquarters in Belleville, IL and three offices in Illinois (Belleville and Marion). They offer consultation, medicine, diet, and exercise-based weight loss services. The clinic operates a small team (reported as 1 employee) and has annual revenue around $11.2 million, indicating a larger operation either centralized services or multiple providers under the brand. Contact options include the main phone number 618-997-5677 and email join@siweightloss.net. Website: siweightloss.net (official homepage), with additional presence at siweightloss.net and a LinkedIn page. Offices listed: - 123 Lincoln Pl Ct, Belleville, IL 62221 - 123 Lincoln Pl Court, Marion, IL 62959 - 1909 Coolidge Ave, Marion, IL 62959 Note: The provided data does not explicitly mention an Alton location. If you need confirmation of an Alton presence or exact services offered at each location, I can search for and verify current details.

Clinic Type

Bariatrics

Address

123 LINCOLN PL CT, Belleville, Illinois 62221, us

Phone

+1-618-234-5677

Email

marion@simedicalinc.com

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Bariatrics
  • Medical Weight Loss
  • Semaglutide (Wegovy) possibly offered under weight loss category
  • Lipo injections possibly (B-6/B-12)
  • Bariatric consulting
  • dietary programs

Technology & Equipment

  • Semaglutide
  • B-6/B-12 injections
  • Telehealth maybe

Insurance & Payment

Languages Spoken

Social Media

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Better Business Bureau (BBB): A+

Patients praise

  • friendly staff
  • helpful and supportive environment
  • informative service
  • progress with weight loss goals

Common complaints

  • concerns about costs and fees

"Very nice reception, very friendly. They tell you the lab and appt fees. Fine. pay jacked-up"

Yelp review for SI Medical Weight Loss Clinic, Alton

"I really love the staff at the Belleville, IL location. Abby was very kind and informative of the service’s offered. I am so glad that I chose them as I navigate my weight loss journey!"

Birdeye review for SI Medical Weight Loss Clinic

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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Summary: - Memorial Hospital Belleville and Memorial Hospital Shiloh are part of Memorial Regional Health Services (MRHS), a nonprofit that sits under BJC HealthCare. - BJC HealthCare is a large nonprofit health system based in the St. Louis area and has been recognized as a top workplace. - MRHS operates multiple campuses including Memorial Hospital Belleville, Memorial Hospital East, and Memorial Care Center; services include hospital care within the BJC network. - Contact information: Memorial Hospital Belleville (618) 607-1000; Memorial Hospital Shiloh (618) 233-7750. - The page highlights MRHS’s relationship to BJC HealthCare, but does not provide specific details about an "Alton Memorial Weight Loss Program" or a dedicated weight loss program at Alton within BJC. If you’re specifically seeking information on an Alton Memorial Weight Loss Program under BJC HealthCare: - The provided page does not include program specifics for Alton Memorial Weight Loss. - You may want to search directly for “Alton Memorial Hospital weight loss program” within the BJC HealthCare site or contact the hospital’s weight management department for current programs, eligibility, and scheduling.

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