Dr. Thomas Alexander, MD
What this data tells you about Dr. Alexander
Dr. Thomas Alexander is a cardiovascular disease specialist in Corpus Christi, TX, with 20 years of NPI registration. Based on federal Medicare data, Dr. Alexander performed 4,049 Medicare services across 2,853 unique beneficiaries.
Between the years covered by Open Payments, Dr. Alexander received a total of $135,154 from 54 pharmaceutical and/or device companies across 1009 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in cardiovascular disease. The majority of payments are for speaking programs and promotional activities, reflecting participation in industry-sponsored events. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Alexander 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.
Medicare Practice Summary
Medicare Utilization ↗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 |
|---|---|---|---|
| Electrocardiogram (EKG), 12-lead | 1,140 | $10 | $60 |
| Office visit, established patient (30-39 min) | 977 | $85 | $206 |
| Hospital follow-up visit, moderate complexity | 487 | $62 | $141 |
| Echocardiogram, transthoracic | 280 | $140 | $598 |
| Office visit, established patient (20-29 min) | 197 | $66 | $139 |
| New patient office visit (45-59 min) | 127 | $123 | $320 |
| Initial hospital admission, high complexity | 115 | $134 | $393 |
| EKG interpretation and report | 77 | $6 | $27 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician | 76 | $48 | $277 |
| Remote pacemaker/defibrillator monitoring, 90 days | 74 | $17 | $98 |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 73 | $10 | $39 |
| Remote pacemaker monitoring, 90 days | 62 | $23 | $106 |
| Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days | 54 | $28 | $207 |
| Regadenoson injection (Lexiscan) for heart stress test | 44 | $41 | $157 |
| Cardiac catheterization | 36 | $197 | $1,105 |
| Ultrasound of heart, follow-up | 34 | $72 | $275 |
| Ultrasound of both sides of head and neck blood flow | 31 | $145 | $724 |
| New patient office visit (30-44 min) | 27 | $61 | $208 |
| Ultrasound of leg arteries or artery grafts | 23 | $181 | $822 |
| Ultrasound study of one arm or leg veins with compression and maneuvers | 23 | $87 | $463 |
| External shock to heart to regulate heart beat | 18 | $84 | $390 |
| Ultrasound of heart with probe in esophagus, with report | 18 | $83 | $334 |
| New patient office visit, complex (60-74 min) | 18 | $172 | $398 |
| Electrocardiogram (ecg) 2-day continuous with review by health care professional | 14 | $9 | $83 |
| Initial hospital admission, moderate complexity | 13 | $102 | $268 |
| Replacement of aortic valve through the skin and femoral artery | 11 | $573 | $4,038 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
Associated products mentioned in payments ›
The majority of payments (74%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in cardiovascular disease and does not inherently indicate bias, but patients may wish to be aware. Total industry engagement is in the top 5% for cardiovascular disease in TX.
Geographic Context
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. Alexander is a clinical cardiology specialist, with above-average Medicare volume (top 24% in TX), with speaking/promotional industry engagement in the top 5% of TX peers, with 20 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. Alexander experienced with electrocardiogram (ekg), 12-lead?
Does Dr. Alexander receive payments from pharmaceutical companies?
How do Dr. Alexander's costs compare to other cardiologists in Corpus Christi?
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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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