Welcome to the website of William A Shaver MD. PA.

Consultant in Digestive Disease

Gastrointestinal Health &

Cancer Screening


American Board of Internal Medicine

and Gastroenterology

Compassion, Health, Longevity

Good health begins in your gut. Maintaining a rich and diversified balance in the “universe within” called our intestinal microbiome will play an increasingly important role in the future in the prevention and treatment of many of the diseases that plague modern man, including obesity, diabetes, heart disease, autoimmune disease, mood disorders, as well as the current COVID19 pandemic. Restoring this critical balance can impart significant benefits in health and longevity. Save your Gut and save the World!

Dr. Shaver has been a practicing gastroenterologist in Lubbock, Texas for 34 years. A graduate of Southwestern Medical School in Dallas, Texas, he is board-certified by the American Board of Internal Medicine in both Gastroenterology as well as Internal medicine. As well as maintaining a busy endoscopy schedule, his practice also has a strong emphasis on reestablishing and maintaining optimal health on the gastrointestinal tract by incorporating the best practices of conventional as well as integrative medicine. He has been a tireless advocate on the importance of the gastrointestinal tract in the current COVID19 pandemic, and innovative, inexpensive ways to address these important issues. He is now available for online consultation and telehealth visits. Contact us to schedule a visit at 806-799-3644 or reach us at wasmd2405@gmail.com.

The goal of our practice is to help restore and maintain optimal health of your digestive tract, utilizing the best features of conventional as well as nutritional and holistic medicine. We offer a broad range of diagnostic studies including upper and lower endoscopy and screening colonoscopy. Please feel free to contact us with any concerns you may have and thank you for allowing us the opportunity to assist in your care.

Phone Calls

Feel free to call the office with any questions or concerns. Calls that are not emergencies will be returned by the staff between 4:00-5:00 daily except on Fridays. Please have your pharmacy fax us directly for your prescription refills.


If at any time you feel your problem is an emergency, please go to an emergency room or call 911. Be sure an notify your primary physician, as again, we no longer admit or perform daily rounds at the hospital. Messages can be left at the office or forwarded to the doctor through our answering service after 5 pm. Please limit after-hour calls to emergencies only.