Dr. Rajesh Nambiar, MD
What this data tells you about Dr. Nambiar
Dr. Rajesh Nambiar is a cardiovascular disease in Amarillo, TX, with 17 years in practice. Based on federal Medicare data, Dr. Nambiar performed 10,366 Medicare services across 4,574 unique beneficiaries.
Between the years covered by Open Payments, Dr. Nambiar received a total of $89,673 from 31 pharmaceutical and/or device companies across 494 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. Nambiar 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 |
|---|---|---|---|
| Contrast dye for imaging (iodine-based) | 1,843 | $0 | $2 |
| Office visit, established patient (30-39 min) | 1,536 | $86 | $275 |
| Electrocardiogram (EKG), 12-lead | 1,235 | $9 | $85 |
| EKG interpretation and report | 1,081 | $6 | $61 |
| Chronic care management, first 20 min/month | 1,005 | $44 | $100 |
| Regadenoson injection (Lexiscan) for heart stress test | 772 | $39 | $100 |
| Anticoagulant management of patient taking warfarin | 326 | $8 | $50 |
| Rubidium rb-82, diagnostic, per study dose, up to 60 millicuries | 250 | $168 | $218 |
| Echocardiogram, transthoracic | 204 | $138 | $1,410 |
| Prothrombin time test (blood clotting) | 173 | $4 | $32 |
| Technetium tc-99m sestamibi, diagnostic, per study dose | 166 | $59 | $82 |
| Evaluation of cardiac rhythm monitor system, remote up to 30 days | 163 | $20 | $100 |
| Interrogation device evaluation(s), (remote) up to 30 days; implantable cardiovascular physiologic monitor system, implantable loop recorder system, or subcutaneous cardiac rhythm monitor system, remote data acquisition(s), receipt of transmissions and tec | 163 | $28 | $150 |
| Hospital follow-up visit, moderate complexity | 147 | $61 | $174 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician | 133 | $49 | $350 |
| Nuclear medicine studies of blood flow in heart muscle at rest and with stress with concurrent ct scan | 124 | $1,830 | $6,500 |
| Office visit, established patient (20-29 min) | 124 | $70 | $200 |
| Ultrasound of both sides of head and neck blood flow | 117 | $138 | $825 |
| Remote monitoring of pulmonary artery pressure sensor, up to 30 days | 114 | $38 | $150 |
| Initial hospital admission, moderate complexity | 89 | $102 | $350 |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | 87 | $331 | $2,205 |
| New patient office visit (45-59 min) | 78 | $115 | $297 |
| Injection of chemical agent into single incompetent vein of leg using ultrasound guidance | 68 | $1,021 | $2,700 |
| Ultrasound study of arm or leg veins with compression and maneuvers | 58 | $123 | $610 |
| Remote patient monitoring device, 30 days | 39 | $29 | $180 |
| Hospital follow-up visit, high complexity | 34 | $91 | $215 |
| Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional | 26 | $19 | $100 |
| Ultrasound study of one arm or leg veins with compression and maneuvers | 25 | $93 | $410 |
| Cardiac catheterization | 23 | $780 | $9,290 |
| Ultrasound study of arm and leg arteries | 23 | $46 | $406 |
| Ultrasound of leg arteries or artery grafts | 23 | $169 | $854 |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 22 | $39 | $220 |
| Laser destruction of incompetent vein of arm or leg using imaging guidance | 20 | $747 | $3,600 |
| Coronary stent placement | 17 | $445 | $1,300 |
| Heart rhythm recording of continous external ekg over 8-15 days | 16 | $9 | $250 |
| Heart rhythm review and interpretation of continous external ekg over 8-15 days | 16 | $19 | $200 |
| Programming of cardiac rhythm monitor system | 15 | $45 | $165 |
| Insertion of heart rhythm monitor under skin | 11 | $3,363 | $7,000 |
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 (84%) 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 7% 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. Nambiar is a clinical cardiology specialist, with above-average Medicare volume (top 3% in TX), and high industry engagement (speaking/promotional, top 7%), with 17 years of practice experience.
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. Nambiar experienced with contrast dye for imaging (iodine-based)?
Does Dr. Nambiar receive payments from pharmaceutical companies?
How do Dr. Nambiar's costs compare to other cardiovascular diseases in Amarillo?
What does Data Coverage mean?
Is this data up to date?
Explore related providers
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.
Provider corrections: Provider portal · Privacy questions: Privacy Policy · Terms: Terms of Use · Methodology: Methodology