Alan Wade Keister, M.D.
Internal Medicine Physician · Amarillo, TX
Alan Wade Keister, M.D. is an internal medicine physician with a practice address in Amarillo, Texas, and NPI 1255373635, issued on Jun 12, 2006. Check the license (Texas K9315, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Alan Wade Keister
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- K9315 TX
Self-reported in NPPES; status is on the state search - Practice location
- 9092 Westgate Pkwy W, Amarillo, TX 79124
- Phone
- (806) 355-9741
- Enumerated
- Jun 12, 2006
- Record last updated
- Sep 25, 2025
- Fax
- (806) 356-0045
- Medicaid ID
- 038789602 TX
- Medicare enrollment
- Enrolled (PECOS I20041204000121); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 9092 Westgate Pkwy W
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christi Baker, M.D.Dermatology Physician1275858433
- Janet Barraza, FNP-CFamily Nurse Practitioner1306546932
- Mary Benard, FNPFamily Nurse Practitioner1962861864
- Tiffani BethelFamily Nurse Practitioner1598413825
- Sarah Biggs, MDAllergy & Immunology Physician1376079202
- William Biggs, M.D.Endocrinology, Diabetes & Metabolism Physician1033280862
Verify Alan Wade Keister in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license K9315Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.9 times the Medicare Part D claims of the average internal medicine physician in 2024
18,845 Medicare Part D claims for 1,265 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 632 claims were for opioids.
Most prescribed
- Levothyroxine Sodium1,042 claims
- Atorvastatin Calcium713 claims
- Gabapentin529 claims
- Lisinopril496 claims
- Omeprazole396 claims
- Tramadol Hcl389 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,732.18
107 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Amarillo Medical Specialists,llpAmarillo, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alan Wade Keister among 9,175 internal medicine physician records in Texas
Alan Wade Keister, M.D. is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1996 · median 2004 among the 6,088 with a school on file
- Record last updated2025 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
82 internal medicine physician records list a practice address in Amarillo
They are 82 of the 3,934 NPPES records with a practice address in Amarillo, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Amarillo → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Anjali Kherdekar, MDAmarillo, TX 791241013124932
- Kaylee Shepherd, M.D.Amarillo, TX 791241710321831
- Ryan Smithee, M.D.Amarillo, TX 791241861924623
- Joanna Wilson, DOAmarillo, TX 791241942238738
- Jimmie Appel, M.D.Amarillo, TX 791211770683336
- Alexander Iskrenko, M.D., PH.D.Amarillo, TX 791211972798411
- Kathleen Clark, M.D.Amarillo, TX 791191518103886
- David Stevener, M.D.Amarillo, TX 791191609193721
Common questions
What is Alan Wade Keister, M.D.'s NPI number?
Alan Wade Keister, M.D.'s National Provider Identifier (NPI) is 1255373635, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alan Wade Keister, M.D. located?
The NPPES record lists a practice address at 9092 Westgate Pkwy W, Amarillo, TX, 79124. Phone: (806) 355-9741. Providers update this record themselves, so call before visiting.
How can I verify Alan Wade Keister, M.D.'s license?
NPPES lists Texas license number K9315, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alan Wade Keister, M.D. prescribe under Medicare Part D?
In 2024, Alan Wade Keister, M.D. had 18,845 Medicare Part D claims for 1,265 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Alan Wade Keister, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.