Endoscopic Ultrasound
EUS provides detailed endoscopic and ultrasound evaluation to help assess gastrointestinal and surrounding structures, including the pancreas and biliary system.
Anvea Health, led by board-certified gastroenterologist Dr. William Hsueh, provides personalized, comprehensive gastroenterology care at two convenient locations in Diamond Bar, CA 91789, and Chino Hills, CA 91703. Combining experienced medical care with a patient-centered approach, Anvea Health focuses on accurate diagnosis, advanced treatment, and the long-term digestive health of every patient.
Whether you are visiting Anvea Health for the first time, returning for ongoing care, or looking for specialized gastroenterology treatment, we make it easier to find the information and care you need.
At Anvea Health, we believe gastroenterology care should be thorough, personalized, and centered around you. Under the experienced supervision of Dr. William Hsueh, our team focuses on understanding your concerns, providing accurate diagnosis, and developing treatment plans designed around your individual needs.
Your digestive health deserves more than a one-size-fits-all approach. We take the time to understand your concerns and help you move forward with confidence.
Anvea Health works with many major insurance plans to help make specialized gastroenterology care more accessible. Coverage varies by plan and location.
Our team can help you understand the insurance information needed before your visit. Please contact our office to confirm your specific plan and benefits.
Insurance participation may vary by location, physician, and individual plan. Please contact Anvea Health to confirm your coverage before scheduling care.
Comprehensive gastroenterology care focused on prevention, accurate diagnosis, advanced treatment, and your long-term digestive health.
Personalized care.
Advanced expertise.
Comprehensive evaluation and treatment for a broad range of gastrointestinal conditions, supported by advanced endoscopy expertise and a patient-focused approach.
EUS provides detailed endoscopic and ultrasound evaluation to help assess gastrointestinal and surrounding structures, including the pancreas and biliary system.
ERCP is an advanced endoscopic procedure used in the evaluation and treatment of conditions involving the bile ducts and pancreatic ducts.
Examination of the colon for screening, diagnosis and appropriate treatment.
Evaluation of the esophagus, stomach and upper gastrointestinal tract.
Removal and evaluation of appropriate colon polyps during colonoscopy.
Advanced endoscopic removal of selected lesions when clinically appropriate.
Learn more about the procedures, conditions treated, preparation, and what to expect.
Explore ProceduresDr. William Hsueh is a board-certified gastroenterologist dedicated to providing compassionate care for patients with digestive disorders.
He completed his internal medicine residency at Memorial Healthcare System and his fellowship in Gastroenterology and Hepatology at Houston Methodist Hospital.
With extensive clinical and research experience from his training in gastroenterology and hepatology, Dr. Hsueh provides patient-centered approaches to every visit.
From your first appointment to ongoing care, we're here to make your experience comfortable and straightforward.
We accept many major insurance plans to help make your care easier to access.
Don't see your plan? Contact our office to confirm coverage.
View Accepted Insurance →Our clinic is conveniently located to serve patients throughout the region.
Convenient access to personalized gastroenterology care in Southern California.