Dr. Natarajan Subramanian, M.D.
What this data tells you about Dr. Subramanian
Dr. Natarajan Subramanian is a critical care medicine in Tampa, FL, with 18 years in practice. Based on federal Medicare data, Dr. Subramanian performed 1,290 Medicare services across 1,019 unique beneficiaries.
Between the years covered by Open Payments, Dr. Subramanian received a total of $12,256 from 53 pharmaceutical and/or device companies across 374 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in critical care 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. 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 |
|---|---|---|---|
| Office visit, established patient (30-39 min) | 478 | $90 | $141 |
| Hospital follow-up visit, high complexity | 250 | $93 | $195 |
| Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation | 93 | $67 | $300 |
| Initial hospital admission, high complexity | 81 | $137 | $365 |
| New patient office visit, complex (60-74 min) | 77 | $161 | $270 |
| Critical care, first 30-74 min | 69 | $165 | $430 |
| Test to measure expiratory airflow and volume changes before and after medication administration | 35 | $29 | $85 |
| Test for exercise-induced lung stress | 35 | $25 | $150 |
| Test to determine lung volumes using sensors | 35 | $40 | $90 |
| Test to examine how well the lungs exchange gases | 35 | $42 | $90 |
| Hospital follow-up visit, moderate complexity | 30 | $58 | $145 |
| Office visit, established patient (20-29 min) | 28 | $54 | $110 |
| Sleep study in sleep lab with continuous airway pressure (6 years or older) | 22 | $95 | $275 |
| Sleep study in sleep lab (6 years or older) | 11 | $85 | $250 |
| New patient office visit (45-59 min) | 11 | $128 | $215 |
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 ›
Most payments (67%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
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 clinical cardiology specialist, with above-average Medicare volume (top 27% in FL), and high industry engagement (low-engagement, top 15%), 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 office visit, established patient (30-39 min)?
Does Dr. Subramanian receive payments from pharmaceutical companies?
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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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