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About Dr John Alexander MD FACS 2018-01-24T01:03:07+00:00

John H. Alexander, M.D., F.A.C.S.

Dr. John H. Alexander, M.D., F.A.C.S., is a bariatric doctor and bariatric surgeon practicing in Dallas, Texas. Dr. Alexander is board certified by the American Board of Surgery (ABS), a Fellow of the American College of Surgeons (ACS) and a member of the American Society for Metabolic and Bariatric Surgery (ASMBS). Dr. Alexander is a developer and pioneer in the field of obesity surgery and has performed successful bariatric surgeries since 1991. Dr. Alexander has the experience and advanced training needed to offer a safe and effective surgical weight loss program. Safety is #1!

Serving patients from throughout Texas and the United States | New Patients Welcome

The Alexander Center for Obesity Surgery is dedicated to helping people take control of their weight in order to live healthy lives. Using the latest surgical weight loss techniques we have helped countless people improve their health in order to live longer and enjoy life more.*

Advanced Laparoscopic Bariatric Surgery

Laparoscopic gastric bypass, vertical sleeve gastrectomy (VSG), and gastric banding (LAP-BAND®), are all complex procedures requiring specialized training and experience in bariatric surgery, as well as tremendous skill. Dr. Alexander has the experience and advanced training needed to offer a safe and effective surgical weight loss program. He works with a team of highly skilled physicians, surgeons and nurses. expert psychologists. therapists and dieticians, and a veteran support staff that will work with insurance companies to help patients maximize coverage of expenses. This team has worked together for many years and every member is unwaveringly committed to the success of their patients.

Post-Bariatric Recontructive Surgery

In addition to advanced obesity surgery, we perform abdominoplasty and other reconstructive surgery for patients who are left with excess skin after losing weight. He also performs post-bariatric reconstructive surgery, often referred to as “tummy tuck,” “leg lift.” or “arm lift.”

Specializing Bariatric Revision Surgery

Dr. Alexander specializes in advanced laparoscopic revision of bariatric surgery for patients who are not happy with the results of previous bariatric procedures, such as gastric bypass, gastric sleeve, and gastric banding or lap-band.  He is highly regarded in the field of weight loss surgery and many other doctors and medical professionals choose him specifically to perform bariatric surgery for them or their family members. View our gallery of weight loss before-and-after pictures to see the difference this approach to weight loss can make.

About Board Certification

Board certification sets the gold standard for surgical expertise in the United States. In order to become board certified, your surgeon must pass a series of written and practical tests demonstrating full mastery of the knowledge and techniques required to perform surgery. Not every surgeon is board certified. While they may still be trained medical professionals, this means that they have not passed the stringent battery of formal tests designed to ensure that their patients receive reliably high-quality medical care. Because Dr. John Alexander is certified as a surgeon by the American Board of Surgery, every patient at the Alexander Center for Obesity Surgery can rest assured that he or she is in the hands of a trained and tested professional who offers care meeting the highest standards for safety and efficacy.


*Results may not represent typical surgical outcomes. Every surgery and each patient undergoing bariatric surgery represents unique sets of circumstances and, therefore, results will vary.