Welcome to Advanced Gastroenterology
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Dr. Jeffrey Wallis and his staff are pleased to
have this opportunity to provide you with the
best possible gastrointestinal care available.
Your health, comfort and convenience are
foremost in our minds. Dr. Wallis is a
gastroenterologist and hepatologist who
specializes in the care of diseases and
disorders of the gastrointestinal tract,
including the stomach, liver and pancreas. Our
services include: Endoscopy,
Cancer Screening, Hemorrhoid-ectomy and more...
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The AspireAssist® is a new, FDA-approved
weight loss solution for people with obesity.
Unlike many other weight loss procedures, it’s
non-surgical and reversible. Placing the device
is an outpatient procedure. Patients can often
return home within one to two hours, and be back
at work quickly. The AspireAssist works by
reducing the calories absorbed by the body,
while helping you make gradual, healthy changes
to your lifestyle.
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Non-Surgical Balloon for Weight Loss. The
ORBERA™ Intragastric Balloon is a soft yet
durable silicone balloon that is designed to
assist adult patients with obesity, in losing
and maintaining weight. It is intended for
patients with a BMI of 30 to 40 who have
attempted more conservative weight reduction
alternatives. The balloon is placed in the
stomach for six months, and is used in
conjunction with a long term supervised diet and
behavior modification program.
Dr. Wallis attended college at Harvard University
where he graduated magna cum laude with a BA in Biology.
He completed medical school at Cornell University
Medical College at New York Hospital. He continued his
postgraduate...
When you and your doctor seek comprehensive care and
skill for a digestive or liver disorder, you will find
it at Advanced Gastroenterology. We provide diagnostic
and therapeutic management of digestive disease and
liver disorders...
We are conveniently located in Crystal River in North
Central Florida. We also provide treatment
at our office, and procedures at our Brooksville
location, Citrus Memorial, Bayfront Seven Rivers
Hospital, Oak Hill, and Advanced
Gastroenterology Endoscopy Center.
B. Jeffrey Wallis, M.D., P.A. - Colonoscopy, EGD, Liver, ERCP
