Medicare Enrolled
Dr. Alan Keister, M.D.
Internal Medicine · Amarillo, TX
Practice pattern: Clinical Cardiology
— Primarily office-based clinical cardiology
Low-engagement
Very High
DATA COVERAGE
Data in 4 of 4 federal sources
Measures public federal data availability — not provider quality
Informational, not a quality rating.
This page presents federal public records about Dr. Keister from CMS (NPPES, Open Payments, Medicare Provider Utilization, PECOS). It is not medical advice, an endorsement, or a judgment of clinical quality. Always consult the provider directly and a licensed clinician for medical decisions. Read methodology →
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What this data tells you about Dr. Keister
Dr. Alan Keister is an internal medicine specialist in Amarillo, TX, with 19 years of NPI registration. Based on federal Medicare data, Dr. Keister performed 31,969 Medicare services across 14,285 unique beneficiaries.
Between the years covered by Open Payments, Dr. Keister received a total of $6,138 from 37 pharmaceutical and/or device companies across 436 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in internal medicine. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Keister is Very High — reflecting how much public federal data is available about this provider. This is not a quality rating. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
✓ 19 years in practice
▲ Top 1% volume in TX
$6,138 industry payments
Medicare Practice Summary
Medicare Utilization ↗31,969
Medicare services
Top 1% in TX for internal medicine
14,285
Unique beneficiaries
$21
Avg. Medicare payment
Medicare patients only (65+ / disabled) · Not a quality rating · How to read this →
~1,683 Medicare services per year of practice
Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Testosterone injection | 7,700 | $0 | $0 |
| Blood draw (venipuncture) | 2,093 | $5 | $6 |
| Comprehensive metabolic blood panel | 2,008 | $10 | $14 |
| Complete blood count (CBC) with differential | 1,931 | $8 | $11 |
| Chronic care management, first 20 min/month | 1,839 | $46 | $63 |
| Office visit, established patient (30-39 min) | 1,574 | $85 | $138 |
| Office visit, established patient (20-29 min) | 1,540 | $62 | $94 |
| Urinalysis with microscopic exam | 1,277 | $3 | $5 |
| Lipid panel (cholesterol and triglycerides) | 1,251 | $13 | $19 |
| Ldl cholesterol level | 1,239 | $10 | $13 |
| Steroid injection (triamcinolone) | 1,142 | $1 | $25 |
| Thyroid stimulating hormone (TSH) test | 1,094 | $16 | $24 |
| Annual wellness visit, follow-up | 705 | $112 | $115 |
| Hemoglobin A1c test (diabetes monitoring) | 641 | $9 | $14 |
| Ceftriaxone antibiotic injection | 540 | $0 | $25 |
| Vitamin D level test | 463 | $29 | $38 |
| Free thyroxine (T4) test | 416 | $9 | $13 |
| Creatine kinase (cardiac enzyme) level, total | 329 | $6 | $18 |
| Vitamin B-12 level test | 318 | $15 | $22 |
| Flu vaccine administration | 303 | $24 | $25 |
| Flu vaccine, high-dose | 247 | $68 | $71 |
| Prostate cancer screening; prostate specific antigen test (psa) | 234 | $19 | $69 |
| Chronic care management, additional 20 min/month | 196 | $35 | $49 |
| Chest X-ray, 2 views | 155 | $15 | $27 |
| Drug injection, under skin or into muscle | 133 | $10 | $17 |
| Basic metabolic blood panel | 130 | $8 | $14 |
| Electrocardiogram (EKG), 12-lead | 130 | $9 | $17 |
| Uric acid level test | 122 | $4 | $6 |
| Pneumonia vaccine administration | 104 | $29 | $30 |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 92 | $280 | $450 |
| Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza | 90 | $64 | $100 |
| Injection, ketorolac tromethamine, per 15 mg | 90 | $0 | $17 |
| Detection test by nucleic acid for strep (streptococcus, group a), amplified probe technique | 82 | $34 | $47 |
| Prothrombin time test (blood clotting) | 74 | $4 | $21 |
| Ferritin level test (iron stores) | 72 | $13 | $53 |
| Iron level test | 72 | $6 | $28 |
| Detection test by nucleic acid for multiple types of respiratory virus, multiple types or subtypes, 3-5 targets | 67 | $140 | $151 |
| Testosterone (hormone) level, total | 62 | $25 | $39 |
| Bone density scan (DEXA) | 61 | $35 | $52 |
| Iron binding capacity test | 59 | $8 | $15 |
| Measurement c-reactive protein for detection of infection or inflammation, high sensitivity | 56 | $13 | $17 |
| X-ray of lower and sacral spine, 2-3 views | 55 | $20 | $34 |
| Natriuretic peptide (heart and blood vessel protein) level | 55 | $37 | $89 |
| Removal of impacted ear wax by washing | 50 | $10 | $19 |
| Liver function blood test panel | 50 | $7 | $28 |
| Annual depression screening | 49 | $17 | $18 |
| Shoulder X-ray, 2+ views | 46 | $16 | $29 |
| Urine microalbumin (protein) analysis | 41 | $6 | $6 |
| Transitional care management services for problem of high complexity | 41 | $184 | $245 |
| Thyroid hormone, t3 measurement, free | 40 | $17 | $24 |
| X-ray of knee, 1-2 views | 38 | $16 | $29 |
| Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | 36 | $38 | $52 |
| Sed rate test (inflammation marker) | 33 | $3 | $4 |
| COVID-19 vaccine administration | 33 | $39 | $45 |
| Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a | 33 | $30 | $40 |
| Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment | 33 | $158 | $170 |
| X-ray of upper spine, 2-3 views | 32 | $19 | $30 |
| X-ray of foot, 2 views | 32 | $13 | $19 |
| COVID-19 vaccine (Moderna bivalent) | 32 | $143 | $150 |
| PSA test (prostate cancer screening) | 31 | $17 | $26 |
| Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | 30 | $158 | $176 |
| X-ray of hand, 2 views | 27 | $16 | $25 |
| Magnesium level test | 26 | $7 | $20 |
| Hip X-ray, 2-3 views | 25 | $25 | $37 |
| Bilirubin level, direct | 25 | $5 | $7 |
| Transitional care management services for problem of at least moderate complexity | 24 | $140 | $187 |
| X-ray of middle spine, 2 views | 21 | $14 | $24 |
| Screening test for autoimmune disorder | 21 | $12 | $18 |
| Influenza vaccine, quadrivalent, 0.5 ml dosage | 21 | $20 | $33 |
| X-ray of ribs on side of body, 2 views | 19 | $16 | $28 |
| X-ray of pelvis, 1-2 views | 19 | $13 | $23 |
| Influenza vaccine, quadrivalent, preservative free, 0.5 ml dosage | 19 | $22 | $40 |
| Pneumococcal vaccine, 23-valent | 19 | $131 | $175 |
| Limited ultrasound scan of abdomen | 18 | $41 | $62 |
| Parathyroid hormone level test | 18 | $40 | $150 |
| Ultrasound study of one arm or leg veins with compression and maneuvers | 18 | $67 | $94 |
| Ultrasound scan of head and neck soft tissue | 16 | $56 | $88 |
| Cortisol (hormone) measurement, total | 16 | $16 | $65 |
| Influenza vaccine, quadrivalent derived from recombinant dna | 16 | $69 | $70 |
| Rheumatoid factor level | 15 | $6 | $45 |
| Echocardiogram, transthoracic | 15 | $96 | $127 |
| Limited ultrasound scan of joint or other extremity structure except blood vessels | 14 | $10 | $56 |
| Adm sarscv2 bvl 50mcg/.5ml a | 12 | $39 | $40 |
| Creatinine test (kidney function) | 12 | $5 | $7 |
| Heart rhythm recording, analysis, report, review, and interpretation of continous external ekg over more than 48 hours up to 7 days | 12 | $197 | $300 |
How to read this data: This reflects Medicare patients only (typically 65+). Payment amounts are what Medicare paid the provider, not your out-of-pocket cost. A higher procedure volume generally indicates more experience with that procedure.
Industry Payment Transparency
Open Payments through 2024 ↗$6,138
Total received (2018-2024)
Avg $877/year across 7 years
Top 14% in TX for internal medicine
37
Companies
436
Individual payments
All payments are legal and publicly reported · Not evidence of wrongdoing · How to interpret →
Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Meals & Travel
Food, beverages, travel, and lodging — typically low-value
$6,138 (100.0%)
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
2024
$1,732
2023
$678
2022
$105
2021
$27
2020
$229
2019
$1,429
2018
$1,938
Payments by company (2024)
Consulting
Speaking
Meals & Travel
Research
Novo Nordisk Inc
$735
AstraZeneca Pharmaceuticals LP
$672
PFIZER INC.
$601
GlaxoSmithKline, LLC.
$472
E.R. Squibb & Sons, L.L.C.
$396
Lilly USA, LLC
$393
Janssen Pharmaceuticals, Inc
$331
ABBVIE INC.
$295
Boehringer Ingelheim Pharmaceuticals, Inc.
$277
Amgen Inc.
$236
Takeda Pharmaceuticals U.S.A., Inc.
$234
Astellas Pharma US Inc
$218
Amarin Pharma Inc.
$179
Novartis Pharmaceuticals Corporation
$142
Inspire Medical Systems, Inc.
$100
Allergan Inc.
$93
Abbott Laboratories
$89
Phathom Pharmaceuticals, Inc.
$88
SANOFI-AVENTIS U.S. LLC
$80
Orexigen Therapeutics, Inc.
$76
AbbVie, Inc.
$63
Salix Pharmaceuticals, a division of Bausch Health US, LLC
$60
Merck Sharp & Dohme Corporation
$36
Lundbeck LLC
$34
Supernus Pharmaceuticals, Inc.
$33
Genentech USA, Inc.
$32
Kowa Pharmaceuticals America, Inc.
$22
Medtronic, Inc.
$18
Antares Pharma, Inc.
$17
Dexcom, Inc.
$16
AbbVie Inc.
$16
Teva Pharmaceuticals USA, Inc.
$16
Neurocrine Biosciences, Inc.
$15
Merck Sharp & Dohme LLC
$14
IDORSIA PHARMACEUTICALS US INC
$14
Biohaven Pharmaceutical Holding Company Ltd.
$12
Synergy Pharmaceuticals Inc
$12
Top 3 companies account for 32.7% of total payments
Associated products mentioned in payments ›
ADVAIR · AIRSUPRA · AJOVY · ANORO · Aimovig · Amitiza · Androgel · BASAGLAR · BEVESPI AEROSPHERE · BEXSERO · BREO · BREZTRI · BYDUREON · BYSTOLIC · CAMZYOS · CHANTIX · CONTRAVE · Creon · Dexcom G6 Transmitter · ELIQUIS · EMGALITY · ENTRESTO · EVENITY · FARXIGA · FREESTYLE LIBRE 3 · INGREZZA · INSPIRE · INTELLIS ADAPTIVESTIM · INVOKANA · JANUVIA · JARDIANCE · LEQVIO · LINZESS · LYRICA · Livalo · MOUNJARO · MYRBETRIQ · Merlin Connectivity and Remote · Myrbetriq · NURTEC ODT · OTREXUP · OXTELLAR XR · Otezla · Ozempic · PAXLOVID · PREVNAR - 13 · PREVNAR 13 · PREVNAR 20 · Prolia · QULIPTA · QUVIVIQ · REXULTI · Rybelsus · SHINGRIX · SOLIQUA · SOLIQUA 100/33 · SPIRIVA RESPIMAT · STEGLATRO · STIOLTO RESPIMAT · SYMBICORT · SYNTHROID · Synthroid · TOUJEO · TRADJENTA · TRELEGY ELLIPTA · TRULICITY · Tresiba · Trintellix · Trulance · UBRELVY · Uloric · VESICARE · VOQUEZNA · VRAYLAR · VYEPTI · Vascepa · Veozah · Victoza · Wegovy · XARELTO · XIFAXAN · Xofluza
Should you be concerned? Payments from pharmaceutical and device companies are legal and common — 57% of U.S. physicians receive at least one. They often reflect legitimate consulting, research, or education. What matters is whether a recommended drug or device appears in your doctor's payment records. If so, consider asking your doctor about it. How to interpret this data →
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Equivalent to $19 per 100 Medicare services performed
Geographic Context
Internal medicine physicians within 10 mi
104
Per 100K population
89.2
County median income
$50,448
Nearest hospital
QUAIL CREEK SURGICAL HOSPITAL
0.0 mi
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. Keister is a clinical cardiology specialist, with above-average Medicare volume (top 1% in TX), with low-engagement industry engagement in the top 14% of TX peers, with 19 years of NPI registration.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
Is Dr. Keister experienced with testosterone injection?
Based on Medicare claims data, Dr. Keister performed 7,700 testosterone injection services. Research suggests that higher procedure volume is often associated with better outcomes, particularly for complex procedures. Note that Medicare data only captures patients aged 65 and older, so the total practice volume across all patients is likely higher.
Does Dr. Keister receive payments from pharmaceutical companies?
Yes. Dr. Keister received a total of $6,138 from 37 companies across 436 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common among physicians — 57% of all U.S. physicians receive at least one industry payment. Patients may wish to ask their doctor about these relationships, especially if a recommended drug or device appears in the payment records.
How do Dr. Keister's costs compare to other internal medicine physicians in Amarillo?
Dr. Keister's average Medicare payment per service is $21. Note that these figures represent what Medicare pays, not your out-of-pocket cost, which depends on your specific insurance plan and deductible. Procedure-level data above shows both what was submitted and what Medicare paid for each service type.
What does Data Coverage mean?
Data Coverage (currently Very High for Dr. Keister) measures how much public federal data is available about a provider. It is not a quality rating. A "Very High" or "High" level means the provider has data across multiple federal sources (NPPES, PECOS, Medicare Utilization, Open Payments), indicating a long track record of practice, Medicare participation, and industry disclosure. A "Low" or "Moderate" level may simply mean the provider is newer, does not see Medicare patients, or has not received any industry payments — none of which are inherently negative. Read our full methodology →
Is this data up to date?
Each data source has its own update cycle. Provider registry data (NPPES) is updated weekly. Medicare enrollment (PECOS) is updated monthly. Medicare practice data has a ~2 year lag — the most recent available is typically 2 years prior. Industry payment data (Open Payments) is published annually, usually in June, covering the prior calendar year. We display the data date prominently on each section so you always know how current it is. See our data freshness policy →
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About this page
All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. The Transparency Score measures data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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