Alan Wade Keister, MD

Internal medicine physician in Amarillo, Texas · NPI 1255373635

Alan Keister is one of 64 internal medicine physicians practicing in Amarillo, Texas. Alan Keister practices with Amarillo Medical Specialists,LLP.

Registry record (NPPES)

NPI
1255373635
Type
Type 1 · Individual
Primary taxonomy
Internal Medicine · 207R00000X
Address on file
9092 Westgate Pkwy W
Amarillo, TX 79124-2441
(806) 355-9741
Enumerated
Jun 12, 2006
Record last updated
Sep 25, 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.