Evidence & Verification Library

A central repository for the scientific references, accreditation verifications, published outcomes, and supporting documentation referenced throughout this website.

Last reviewed: June 2026

Every major claim on this site links back to a verifiable, publicly available source. This library organizes those sources by category and explains why each is used. This material is educational and is not medical or financial advice — please verify every item directly with its original source.

Joint Commission International (JCI)

Why we use this source: JCI accreditation is an internationally recognized standard for hospital quality and patient safety. We reference it to help patients verify a facility's accreditation status independently.

  • JCI Accredited Organizations Directory

    Joint Commission International · Accessed June 2026

    Verify source

Surgical Review Corporation (SRC)

Why we use this source: SRC designates Centers of Excellence in Metabolic & Bariatric Surgery based on documented standards. We reference SRC so patients can confirm a center's accreditation history.

  • SRC Center of Excellence — Obesity Control Center

    Surgical Review Corporation · Designation since 2010

    Verify source

Global Healthcare Accreditation (GHA)

Why we use this source: GHA evaluates the medical-travel patient experience and care coordination. We reference it because international patients often weigh travel-specific quality standards.

  • Global Healthcare Accreditation — Obesity Control Center

    Global Healthcare Accreditation · Accessed June 2026

    Verify source

ASMBS References

Why we use this source: The American Society for Metabolic and Bariatric Surgery publishes clinical guidelines, patient resources, and cost context. We use ASMBS as a primary source for procedure and safety information.

  • ASMBS Clinical Resources & Guidelines

    American Society for Metabolic and Bariatric Surgery · Accessed June 2026

    Verify source
  • Metabolic & Bariatric Surgery — cost context

    ASMBS · Accessed June 2026

    Verify source

IFSO References

Why we use this source: The International Federation for the Surgery of Obesity and Metabolic Disorders provides global surgical guidelines. We reference IFSO for an international perspective on standards of care.

  • IFSO — Global guidelines for obesity & metabolic disease

    IFSO · Accessed June 2026

    Verify source

NIH References

Why we use this source: The National Institutes of Health (NIDDK) offers government-published, evidence-based information on weight management and bariatric surgery. We use NIH as an authoritative, non-commercial source.

  • Bariatric Surgery — Weight Management

    NIH / NIDDK · Accessed June 2026

    Verify source

PubMed References

Why we use this source: PubMed indexes peer-reviewed medical literature. We reference PubMed so patients and clinicians can locate primary research on bariatric outcomes, safety, and diabetes improvement.

  • Bariatric surgery outcomes — peer-reviewed literature

    PubMed (National Library of Medicine) · Accessed June 2026

    Verify source

Obesity Control Center Publications

Why we use this source: OCC publishes program information, procedure details, and reported volumes. We reference OCC materials and identify them as provider-published where relevant.

  • Robotic & comprehensive bariatric program (30,000+ procedures reported)

    Obesity Control Center · Accessed June 2026

    Verify source
  • International Certifications overview

    Obesity Control Center · Accessed June 2026

    Verify source

Published 19,801-Patient Study

Why we use this source: This ASMBS-presented analysis reports outcomes from a large bariatric cohort treated under a standardized program. We provide a downloadable summary for direct review.

  • Bariatric Tourism Is Safe and Effective When Performed in a High-Volume Center (19,801 Patients) Following ASMBS Guidelines

    ASMBS Scientific Meeting abstract · Cohort 2000–2021

    Verify source

Cost Comparison References

Why we use this source: Cost figures are sourced from published U.S. pricing ranges and current provider pricing. We cite both so patients can understand the basis for any savings comparison.

  • Average U.S. bariatric surgery cost range

    ASMBS · Accessed June 2026

    Verify source
  • Current program pricing (gastric sleeve from ~$4,995)

    Obesity Control Center · Accessed June 2026

    Verify source

Bariatric Outcomes References

Why we use this source: Outcome and diabetes-improvement claims are supported by professional-society resources and peer-reviewed literature. We point patients to authoritative outcome sources.

  • ADA — Obesity & diabetes standards of care

    American Diabetes Association · Accessed June 2026

    Verify source
  • Bariatric surgery & diabetes remission — peer-reviewed literature

    PubMed (National Library of Medicine) · Accessed June 2026

    Verify source

BariatricCenterRankings.com is an educational comparison resource, not an independent rating agency. Listed figures and accreditations reflect publicly available information believed accurate at the time of review and may change. Nothing in this library is medical or financial advice. Individual outcomes cannot be guaranteed and results vary. Always verify accreditation, pricing, and outcomes directly with each provider and the cited source.

Medical Review

Reviewed By

Dr. Ariel Ortiz, MD, FACS, FASMBS

Founder, Obesity Control Center

Last Reviewed: June 2026

This content is educational and does not constitute medical advice, diagnosis, or treatment. Treatment decisions should be individualized and made with a qualified healthcare professional. A medical evaluation is required. Results vary.