Lourdes Gastroenterology

Respectful Quality Care

Gastroenterology is about diagnosing and treating many disorders affecting the esophagus, stomach, intestines, liver, pancreas, and gallbladder. We can help you prevent problems before they start. From the first time you visit, you will experience open communication, respect, education and understanding. Lourdes is proud to bring you talented specialists with an invaluable skill…listening.

Having a colonoscopy? No need to stress. Take a few minutes to watch the video below and learn what to expect during your colonoscopy. It’s painless and you’ll be glad you did.

We treat people, not patients.

It is our mission to provide you quality medical care with the highest degree of confidentiality and respect.

Dr. Gary Belcaster is board certified by the American Board of Internal Medicine for the subspecialty of Gastroenterology. Certification in this subspecialty involves 2-3 years of additional medical training and testing.

Gary Belcaster, MD

Board Certified in Gastroenterology & Internal Medicine
Gary Belcaster, MD is Board Certified in Internal Medicine & Gastroenterology at Lourdes.


At Lourdes Gastroenterology we believe you deserve the highest quality gastrointestinal care in the community. We would be honored to help you with preventative care or diagnosis and treatment of your symptoms.

When it comes to your health and comfort we offer:

• The highest quality medical staff
• Private
same-day-surgery suites
• Private recovery rooms
• Services centered around your personal needs
• Close communication with your primary or referring physician

Lourdes is a great place to be. Lourdes Surgical Services received The Joint Commission’s Top Performer on Key Quality Measures for 2014 and 2017 Healthgrades® Patient Safety Award. 

For Our Patients

Patient Information Form
Privacy Practices
Release of Protected Health Information
Autorización para Revelar Información de Salud

Patient Portal
Access your medical information ONLINE with the Lourdes Health Patient Portal. You can manage your personal medical records, communicate with your doctors, and make informed decisions about your health. Get 24/7 online access from any computer, smartphone or tablet.

Billing and Insurance
Visit the Lourdes billing and insurance page for detailed information about how we invoice our patients.

Privacy Policies
Visit the Lourdes Policies page for detailed information on JCAHO standards, patient privacy, and physician-assisted suicide policies.

Contact Us

Dr. Gary Belcaster
Lourdes West Pasco – Gastroenterology
7425 Wrigley Dr. Suite 204
Pasco, WA 99301 | Directions
Ph 509.416.8885
Fax 509.546.8404

Mon. – Thur.
9:00 am – 4:00 pm