Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Alan Wade Keister, MD

Individual provider Internal Medicine Physician · NPI 1255373635

Alan Wade Keister, MD is an Internal Medicine in Amarillo, Texas. Graduated from University of Texas Southwestern Medical School at Dallas in 1996, 30 years ago. Practices with Amarillo Medical Specialists, LLP, a 38-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
30
Trained at
University of Texas Southwestern Medical School at Dallas
Licensed in
TX
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

9092 Westgate Pkwy W
Amarillo, TX 79124-2441
Phone: (806) 355-9741
Fax: (806) 356-0045
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence K9315 (TX)

Record details

NPI number1255373635
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 12, 2006
Last updated in NPPESSeptember 25, 2025
Certification dateSeptember 25, 2025
Mailing address9092 Westgate Pkwy W, Amarillo, TX 79124-2441

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL SCHOOL AT DALLAS
Graduated 1996 (30 years in practice)
Group practice Amarillo Medical Specialists,Llp — 38 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Amarillo