Dr. Natrajan Subramanian, M.D.
What this data tells you about Dr. Subramanian
Dr. Natrajan Subramanian is a clinical cardiac electrophysiology physician in Gainesville, FL, with 18 years in practice. Based on federal Medicare data, Dr. Subramanian performed 6,361 Medicare services across 4,229 unique beneficiaries.
Between the years covered by Open Payments, Dr. Subramanian received a total of $7,668 from 28 pharmaceutical and/or device companies across 153 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in clinical cardiac electrophysiology physician. 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. Subramanian 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 | 954 | $10 | $34 |
| Regadenoson injection (Lexiscan) for heart stress test | 602 | $43 | $113 |
| Office visit, established patient (30-39 min) | 527 | $92 | $217 |
| Remote pacemaker monitoring, 90 days | 398 | $21 | $63 |
| Echocardiogram, transthoracic | 299 | $146 | $413 |
| Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days | 266 | $18 | $54 |
| Remote pacemaker/defibrillator monitoring, 90 days | 239 | $15 | $52 |
| Prothrombin time test (blood clotting) | 235 | $4 | $11 |
| Rubidium rb-82, diagnostic, per study dose, up to 60 millicuries | 228 | $313 | $798 |
| Office visit, established patient (20-29 min) | 194 | $63 | $147 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician | 170 | $52 | $142 |
| Office visit, established patient, complex (40-54 min) | 167 | $129 | $295 |
| Initial hospital admission, high complexity | 137 | $137 | $415 |
| Hospital follow-up visit, high complexity | 135 | $94 | $213 |
| Hospital follow-up visit, moderate complexity | 120 | $63 | $149 |
| Physician review, interpretation, and patient management of home inr testing for patient with either mechanical heart valve(s), chronic atrial fibrillation, or venous thromboembolism who meets medicare coverage criteria; testing not occurring more frequent | 107 | $6 | $18 |
| Programming of dual lead pacemaker system | 104 | $55 | $117 |
| Technetium tc-99m sestamibi, diagnostic, per study dose | 98 | $88 | $247 |
| Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days | 97 | $26 | $111 |
| Nuclear medicine studies of blood flow in heart muscle at rest and with stress | 92 | $1,153 | $2,954 |
| Telephone medical discussion with physician, 5-10 minutes | 90 | $41 | $100 |
| New patient office visit (45-59 min) | 88 | $122 | $334 |
| Evaluation of cardiac rhythm monitor system, remote up to 30 days | 71 | $18 | $55 |
| 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 | 69 | $25 | $70 |
| Programming of heart rhythm stimulation after drug infusion | 60 | $65 | $343 |
| Telephone medical discussion with physician, 11-20 minutes | 58 | $66 | $154 |
| Ultrasound of heart with probe in esophagus, with report | 54 | $83 | $224 |
| Insertion of pacemaker and upper and lower heart chamber electrode | 53 | $413 | $1,123 |
| Insertion of catheters and destruction of tissue to treat abnormal heart rhythm | 52 | $251 | $926 |
| Comprehensive electrophysiologic evaluation with catheter destruction of abnormality causing atrial fibrillation (uncoordinated contraction of upper chambers of heart) by pulmonary vein isolation | 51 | $774 | $2,441 |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | 50 | $325 | $962 |
| Ultrasound of heart blood flow, valves and chambers | 43 | $14 | $37 |
| Heart muscle strain imaging | 39 | $28 | $80 |
| Heart rhythm recording continous external ekg over more than 48 hours up to 7 days | 38 | $8 | $58 |
| Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days | 38 | $18 | $54 |
| Destruction of tissue of upper heart chamber through tube to treat abnormal heart rhythm | 28 | $251 | $926 |
| New patient office visit, complex (60-74 min) | 28 | $166 | $420 |
| External shock to heart to regulate heart beat | 27 | $83 | $322 |
| Nuclear medicine studies of blood flow in heart muscle at rest and with stress with concurrent ct scan | 22 | $2,094 | $5,342 |
| Nuclear medicine study of heart muscle blood flow by pet | 22 | $139 | $355 |
| Blood draw (venipuncture) | 21 | $8 | $10 |
| Programming of multiple lead implantable defibrillator system | 20 | $81 | $171 |
| Ultrasound of heart, follow-up | 20 | $75 | $208 |
| Ultrasound of heart blood flow, valves and chambers, follow-up | 20 | $19 | $54 |
| Ultrasound of heart with color-depicted blood flow, rate and valve function | 20 | $18 | $50 |
| Insertion of implantable defibrillator system | 19 | $731 | $1,977 |
| Insertion of left lower heart electrode for pacemaker or defibrillator | 16 | $380 | $1,021 |
| Blood test, basic group of blood chemicals (calcium, ionized) | 13 | $13 | $23 |
| Red blood cell concentration measurement | 13 | $2 | $7 |
| Blood count, hemoglobin | 13 | $2 | $7 |
| Heart rhythm review and interpretation of continous external ekg over 8-15 days | 13 | $20 | $54 |
| Removal and replacement of dual lead permanent pacemaker | 12 | $287 | $760 |
| Injection, aminophyllin, up to 250 mg | 11 | $8 | $14 |
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 (56%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in clinical cardiac electrophysiology physician and does not inherently indicate bias, but patients may wish to be aware.
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. Subramanian is a electrophysiology & cardiac specialist, with above-average Medicare volume (top 19% in FL), and speaking/promotional industry engagement, with 18 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. Subramanian experienced with electrocardiogram (ekg), 12-lead?
Does Dr. Subramanian receive payments from pharmaceutical companies?
How do Dr. Subramanian's costs compare to other clinical cardiac electrophysiology physicians in Gainesville?
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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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