Endocrinologist in Amarillo, Texas · NPI 1992879563
Stephen Usala is one of 4 endocrinologists practicing in Amarillo, Texas. See all endocrinologists in Texas.
Stephen Usala practices with Texas Tech University Health Sciences Center Amarillo.
Updated August 2026. Practice locations and specialty come from the CMS Doctors and Clinicians file, the registry record from NPPES, and enrollment from CMS Medicare enrollment files. NPI records are corrected at the source, through NPPES.