Dr. Chockalingam Narayanan, M.D.
What this data tells you about Dr. Narayanan
Dr. Chockalingam Narayanan is a clinical cardiac electrophysiology physician in Galveston, TX, with 11 years in practice. Based on federal Medicare data, Dr. Narayanan performed 972 Medicare services across 722 unique beneficiaries.
Between the years covered by Open Payments, Dr. Narayanan received a total of $23,375 from 7 pharmaceutical and/or device companies across 222 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 classified as research and scientific activities (grants and research funding). Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Narayanan 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) | 229 | $75 | $270 |
| Evaluation of cardiac rhythm monitor system, remote up to 30 days | 151 | $20 | $65 |
| Programming of dual lead pacemaker system | 98 | $28 | $95 |
| New patient office visit (45-59 min) | 64 | $100 | $415 |
| Office visit, established patient, complex (40-54 min) | 63 | $113 | $360 |
| Initial hospital admission, high complexity | 63 | $137 | $498 |
| Programming of multiple lead implantable defibrillator system | 40 | $47 | $153 |
| Remote pacemaker monitoring, 90 days | 36 | $23 | $83 |
| Evaluation of cardiac rhythm monitor system | 34 | $14 | $53 |
| Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days | 34 | $27 | $163 |
| Programming of dual lead implantable defibrillator system | 32 | $44 | $140 |
| Electrocardiogram (ecg) up to 30 days continuous with symptom monitoring, transmission and review and report by health care professional | 23 | $19 | $63 |
| Programming of single lead implantable defibrillator system | 19 | $30 | $105 |
| Insertion of heart rhythm monitor under skin | 18 | $64 | $232 |
| Insertion of pacemaker and upper and lower heart chamber electrode | 17 | $390 | $1,318 |
| Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional | 14 | $20 | $65 |
| Evaluation of wearable defibrillator system | 13 | $16 | $53 |
| Comprehensive electrophysiologic evaluation with catheter destruction of abnormality causing atrial fibrillation (uncoordinated contraction of upper chambers of heart) by pulmonary vein isolation | 12 | $735 | $2,446 |
| New patient office visit, complex (60-74 min) | 12 | $130 | $513 |
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 (38%) are classified as scientific/research, suggesting involvement in clinical studies, grants, or innovation-related work.
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. Narayanan is a electrophysiology & remote specialist, with moderate Medicare volume, and mixed engagement industry engagement.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
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How do Dr. Narayanan's costs compare to other clinical cardiac electrophysiology physicians in Galveston?
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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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