James Whittenburg Walker, MD

Internal medicine physician in Amarillo, Texas · NPI 1144205568

James Walker is one of 64 internal medicine physicians practicing in Amarillo, Texas. James Walker practices with Texas Tech University Health Sciences Center Amarillo.

Registry record (NPPES)

NPI
1144205568
Type
Type 1 · Individual
Primary taxonomy
Internal Medicine · 207R00000X
Address on file
1400 S Coulter St
Amarillo, TX 79106-1786
(806) 414-9100
Enumerated
Dec 8, 2005
Record last updated
Jun 2, 2025
License states listed
TX

Medicare (CMS)

Enrollment
Medicare-enrolled in TX
Internal Medicine
Revalidation due
No date set by CMS

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Practice locations

More internal medicine physicians in 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.