Weight Loss Surgery at St. John’s

Call (805) 988-7168 for a referral to a bariatric surgeon.


St. John’s Center for Surgical Weight Loss: A Center of Excellence

Under the direction of Dr. Helmuth Billy, St. John’s Hospitals has the largest and most established hospital-based surgical weight loss program in Ventura County. Click here to register for a free seminar where you will learn more about the surgical weight loss options and support available to you.

Our services include:

  • free seminars
  • extensive physical evaluation to minimize surgery risks
  • psychological evaluation
  • nutritional counseling
  • active support groups
  • individualized care
  • insurance assistance
  • post-operative visits and calls
  • post-operative programs
  • laboratory testing and monitoring
  • nutrition and exercise guidance
  • behavior modification exercises
  • exercise program specifically designed for weight loss surgery patients


What Makes Our Program So Successful?

St. John’s has been named a Center of Excellence by major insurance carriers for having the largest and most established surgical weight loss program in Ventura County with the highest clinical standards and outcomes. We are dedicated to meeting the physical, mental, emotional, and spiritual needs of our patients. From the initial consultation to many years after surgery, our patients get all the support they need to get healthy and stay healthy for the rest of their lives.

Learn More About Common Procedures

At St. John’s, we offer various surgical weight loss options. You can learn more about some of our procedures by watching these short animations:

Lap Band

Gastric Bypass

Sleeve Gastrectomy

Our Team

At St. John’s Center for Surgical Weight Loss, we follow a multi-disciplinary team approach with specially trained experts, including surgeons who have performed hundreds of procedures, anesthesiologists, endocrinologists, gastroenterologists, nurses, nutritionists, psychotherapists, plastic surgeons, and a program coordinator. Medical Director Helmuth Billy, MD is certified by the American Board of Surgery and is a member of the American Society for Bariatric Surgery, the American College of Surgeons, and the Society of Laparoendoscopic Surgeons. Dr. Billy’s surgical expertise and dedicated approach to patient care have been instrumental in our program’s support group, education, and outreach efforts.

Learn More

Explore the links below to learn more about surgical weight loss at St. John’s and to find out if it’s right for you!

Weight Loss Surgery – How Does it Work and Is it Right for You?

Choosing Surgery

Preparing for Surgery

Risks and Complications

Life After Surgery

Support Groups

Frequently Asked Questions