"Changing Lives... one sleeve at a time"

  • Master Bariatric Surgeon® in surgery for obesity by the Surgical Review Corporation
  • Best selling Author on Amazon on the Gastric Sleeve
  • Active International Member of the American Society for Metabolic and Bariatric Surgery (ASMBS)
  • International Member of the Society of Gastrointestinal and Endoscopic Surgeons (SAGES)
  • Member of the International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO)
  • Featured as a Nationwide Leader in Weight Loss and Bariatric Surgery by Newsweek Magazine
  • Over 1000 + five-star reviews from patients around the country
  • Over 3.7 Million views on our YouTube channel!
  • Host of the #AskDrA show

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Bariatric Weight Loss Surgeon of Excellence

Changing Lives... One Sleeve At A TimeTM


Dr. Guillermo Alvarez is a highly skilled Mexico bariatric surgery practitioner who specializes in laparoscopic gastric sleeve surgery. Dr. Alvarez started his bariatric surgery specialization early in his general surgery residency. He worked in several hospitals in the United States, France and Mexico during his residency and has subsequently dedicated his life to helping obese patients.

Dr. Alvarez works with a highly trained team to help his patients achieve a healthy and long life through his skill as a surgeon.

Your well being and excellent outcome is our primary goal. Feel free to email or call us and we will have one of our coordinators get in touch with you to assist you with more information and prices.

The top 10 reasons why people from all over the world chose Dr. Alvarez to perform their sleeve surgery

  • Experience - Sleeve surgery is the ONLY surgery Dr. Alvarez performs. He has performed well over 15,000+
  • Personal attention - Unlike other centers, Dr. Alvarez only performs 3-4 sleeve surgeries per day so he and his surgical team always stay fresh and can give personal after surgery attention to all patients. You are not a number to Dr. Alvarez.
  • International Recognition - One of only 12 doctors world wide with the "Master Bariatric Surgeon” designation by the Surgical Review Corporation (an independent review board).
  • Hospital Setting - Surgery day and night you will be in a hospital setting with trained round the clock nurses to monitor your progress, you can check out our hospital here: endohospital.mx
  • English speaking staff - Everyone in Dr. A's team is fully bilingual and customer service is a must for everyone here.
  • No urinary catheters or drainage tube is needed after surgery - Dr. Alvarez's surgical technique does not require his patients to be catheterized or fit with a drainage tube after surgery. You will be up walking to the bathroom within hours after surgery.
  • Personal phone number and email for followup questions/issues - when was the last time you had a doctor's personal email and phone number in case you had questions? Dr. Alvarez is always available to his sleeve patients. Their success is his #1 goal.
  • You Tube Videos - Dr. Alvarez has taken the time to shoot over 600 videos about questions he's received and those videos to date have been watched over 3.7 million times.
  • Few complications - Having perfected his technique over the years, Dr. Alvarez's patients do not experience complications often talked about by other patients.
  • International Credentials - Surgeon of Excellence since 2012, currently a Master Bariatric Surgeon designated by the Surgical Review Corporation. 


School of Medicine
Universidad Autonoma de Nuevo Leon, Monterrey, Mexico.

License no. 3653985

General Surgery Residency
Christus Muguerza High Specialty Hospital. Monterrey, Mexico.

License no. 5328222

Advanced Laparoscopy
Christus Muguerza Monterrey Hospital, Monterrey, Mexico.

Bariatric Surgery

- The Society of American Gastrointestinal and Endoscopic Surgeons (SAGES), Bariatric Surgery Postgraduate course. Dallas, Tx.
- American College of Surgeons (ACS), Bariatric Surgery Postgraduate course. Chicago, IL.
- European Institute of Telesurgery / Institut de Recherche contre les cancers de l'Appariel Digestif (EITS / IRCAD), Advanced Obesity Surgery. Strasbourg, France.
- Mexican Association of Endoscopic Surgery, (AMCE), Bariatric Postgraduate course, Puerto Vallarta, Mexico.
Gastrointestinal Endoscopy Training
- Mexican Association of General Surgery, Leon, Guanajuato, Mexico.
- Mexican Institute of Social Security UMAE # 71 Torreon, Coahuila, Mexico.

International Credentials

- Active International member of the prestigious American Society for Metabolic and Bariatric Surgery (ASMBS) 

- Surgeon of Excellence distiction since 2012 by the Surgical Review Corporation with flawless record

- Active International Member of the Society of American Gastrointestinal and Endoscopic Surgeons (SAGES)

- Member of International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO)

- Speaker on the Gastric Sleeve at national and international conferences

Other Accomplishments

- Best selling Author of several Gastric Sleeve books
- 100% Fluent English (TOEFL)
- Chief Resident in his General Surgery Training
- Board Certified Surgeon
- American College of Surgeons Certified for Advanced Trauma and Life Support
- Various publications in national and international journals

Medical License and Medical Studies

Medical License for General Medicine
Medical License for General Surgery

General Medicine Diploma
General Surgery Diploma
Hospital Diploma for General Surgery
University of Monterrey Diploma for General Surgery
Board Certification in General Surgery

Internship Diploma
Chief Resident Diploma - General Surgery
CPR Basic and Advanced Course Completion

Complex Bariatric Cases Course 2009 - Las Vegas, NV. USA
Advanced Obesity Surgery Course - Strasbourg, France
AMCE Obesity Surgery Course - Puerto Vallarta, Jalisco. Mexico
AMCG Endoscopy Course - Leon, Guanajuato. Mexico

European Institute of Telesurgery - Advanced Obesity Surgery - Strasbourg, France

ASMBS - American Society for Metabolic & Bariatric Surgery

ASMBS 2009 - Grapevine, TX. USA
ASMBS CME Certificate 2009 - Grapevine, TX. USA
ASMBS 2010 - Las Vegas, NV. USA
ASMBS 2012 - San Diego, CA. USA
ASMBS 2013 - Atlanta, GA. USA
ASMBS 2015 - Los Angeles, CA. USA
ASMBS 2016 - New Orleans, LA.

International Gastric Sleeve Summit 2010 - New York, NY. USA
International Gastric Sleeve Summit 2012 - New York, NY. USA
European CME 2012 - New Delhi, India
European CME 2013 - Istanbul, Turkey

IFSO - International Federation for the Surgery of Obesity and Metabolic Disorders

IFSO Europe - Latinamerican Chapter 2007 - Cancun, Mexico
IFSO Europe 2008 - Capri, Italia
IFSO World Congress 2007 - Porto, Portugal
IFSO World Congress 2008 - Buenos Aires, Argentina
IFSO World Congress 2009 - Paris, France
IFSO World Congress 2010 - Los Angeles, USA
IFSO World Congress 2011 - Hamburg, Germany
IFSO World Congress 2012 - New Delhi, India
IFSO World Congress 2013 - Istanbul, Turkey
IFSO World Congress 2015 - Vienna, Austria
IFSO World Congress 2016 - Rio de Janeiro, Brazil
IFSO World Congress 2017 - London, UK
IFSO World Congress 2018 - Dubai

SAGES - Society of American Gastrointestinal and Endoscopic Surgeons

SAGES International Membership
SAGES 2006 - Dallas, TX. USA
SAGES 2009 - Phoneix, AZ. USA
SAGES 2010 - National Harbor, MD. USA
SAGES 2011 - San Antonio, TX. USA
SAGES 2012 - San Diego, CA. USA
SAGES 2013 - Baltimore , MA. USA
SAGES 2014 - Salt Lake City, UT. USA
SAGES 2016 - Boston, MA. USA
SAGES 2017 - Houston, TX. USA