Choosing a new doctor can be a difficult task. You want someone who fits your personality and whose goals for your healthcare are similar to your own. We feel that you will get the best service from a doctor when you are comfortable with them and are able to express all of your concerns easily.
We hope that the information on these pages will give you some the information you need if you are looking for a new physician. We encourage you to use every source available to you, such as recommendations from friends or relatives, recommendations from other health professionals, and the biographical information available on this web site.

Alan Keister (2004, 2005, 2006) - Internal Medicine
Kenny M Brantley MD PhD (2004) - Endocrinology
Stephen J Usala MD PhD (2005, 2006) - Endocrinology
William C Biggs MD (2005, 2006) - Endocrinology
Primary Care Doctor Summary Page
Nam Do, MD
Alan Keister, MD
Steven Norris, MD
Sheryl Williams, MD
Luzma Houseal, MD
![]()
© 2000 - 2005 Amarillo Medical Specialists, LLP

This page last updated: 12/02/06