Made for more moments to live for
You were made for more. More celebrations. More energy. More time spent pursuing your dreams.
There are many reasons to consider weight-loss surgery. Improved health, improved mobility and renewed confidence are a few we frequently hear from our patients. These are all great reasons to begin exploring weight-loss surgery as an option in your journey to better health.
The bariatric (weight-loss) surgery program at Adventist Health Castle is here to help. Our supportive and compassionate team will help you transform your future with our weight-loss and long-term weight management solutions.

Who We Are
Weight management services with proven quality and results
Our weight management program has earned recognition for quality from a number of distinguished healthcare organizations. We are designated by HMSA as a Blue Distinction Center for Bariatric Surgeries and were the first in the start to receive the Centers of Excellence status by the American Society of Metabolic and Bariatric Surgery.
Meet Our Bariatric Surgeon
Our surgeon — as well as our entire team — is committed to long-term follow-up and support for our patients, which helps to ensure lasting weight-loss success.

Steven Fowler, MD
Bariatric Surgeon
Steven Fowler, MD, is a board-certified surgeon and the medical director of Adventist Health Castle’s Hawaii Center for Metabolic and Bariatric Surgery. Dr. Fowler specializes in laparoscopic surgery, a minimally invasive surgical technique. He is a graduate of Boston University School of Medicine and completed his residency at Cedars-Sinai Medical Center in Los Angeles.
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Having helped over 20,000 patients, our team are experts in helping patients meet their health goals through bariatric surgery.
Frequently Asked Questions
What weight-loss surgery techniques do you offer?
You’re unique. You deserve the procedure that will fit your specific needs. Your surgeon will carefully walk you through a variety of options and help you choose the one that’s right for you.
Gastric bypass
Also known as roux en y gastric bypass, this procedure is considered the gold standard for weight-loss surgery. The surgeon isolates a section of the stomach, creating a small pouch about the size of an egg, and bypasses the first part of the intestines.
Sleeve gastrectomy
This is the most common weight-loss surgery procedure. It is sometimes called gastric sleeve. The surgeon removes most of the stomach, including an area that produces a hunger hormone. The result is a tube-shaped pouch that can hold three to six ounces of food.
Duodenal switch
Although it is considered a more extreme procedure than the other two options, this is the most effective surgery for weight loss and diabetes control. The surgeon removes most of the stomach, leaving a tube-shaped pouch, and also reroutes the intestines, similar to gastric bypass.
Will my insurance cover weight-loss surgery?
While most insurance policies cover weight-loss surgery, there are exceptions. To be sure, you will need to review your health insurance coverage and/or speak with your health insurance provider. Because of the complexity of individual insurance policies, we are not able to provide that information.
Will there be support for my weight-loss efforts after surgery?
Absolutely! In addition to participating in ongoing follow-up with your surgeon and other healthcare professionals, we encourage you to join our free support group. The group meets online once a month, led by a licensed member of our weight management team. In addition to receiving education and support, you’ll have the opportunity to meet and encourage others in the community who are also on a weight-loss journey.
Our Location

Adventist Health Castle
(808) 263-5500
642 Ulukahiki Street, Suite 103
Kailua, HI 96734