Dr. Marilyn Cox, M.D.
What this data tells you about Dr. Cox
Dr. Marilyn Cox is a clinical cardiac electrophysiology physician in Tallahassee, FL, with 20 years in practice. Based on federal Medicare data, Dr. Cox performed 3,012 Medicare services across 1,990 unique beneficiaries.
Between the years covered by Open Payments, Dr. Cox received a total of $8,177 from 24 pharmaceutical and/or device companies across 300 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in clinical cardiac electrophysiology physician. 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. Cox 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 |
|---|---|---|---|
| EKG interpretation and report | 554 | $6 | $64 |
| Remote pacemaker monitoring, 90 days | 428 | $20 | $58 |
| Evaluation of cardiac rhythm monitor system, remote up to 30 days | 421 | $18 | $47 |
| Electrocardiogram (EKG), 12-lead | 281 | $11 | $53 |
| Programming of dual lead pacemaker system | 240 | $52 | $95 |
| Office visit, established patient (30-39 min) | 188 | $91 | $205 |
| Anticoagulant management of patient taking warfarin | 114 | $7 | $21 |
| Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days | 113 | $23 | $105 |
| Evaluation of cardiac rhythm monitor system | 90 | $32 | $63 |
| Hospital follow-up visit, high complexity | 86 | $92 | $168 |
| Office visit, established patient, complex (40-54 min) | 63 | $132 | $289 |
| Prothrombin time test (blood clotting) | 61 | $4 | $17 |
| Echocardiogram, transthoracic | 54 | $134 | $473 |
| Initial hospital admission, high complexity | 37 | $125 | $324 |
| Programming of multiple lead implantable defibrillator system | 36 | $68 | $168 |
| Programming of dual lead implantable defibrillator system | 31 | $64 | $137 |
| CT scan of chest, without contrast | 25 | $41 | $383 |
| New patient office visit, complex (60-74 min) | 25 | $135 | $357 |
| CT scan of head/brain, without contrast | 19 | $40 | $305 |
| Remote pacemaker/defibrillator monitoring, 90 days | 18 | $11 | $210 |
| Office visit, established patient (20-29 min) | 18 | $63 | $152 |
| Ct scan of blood vessels of chest with contrast | 16 | $111 | $677 |
| External shock to heart to regulate heart beat | 16 | $79 | $378 |
| Insertion of heart rhythm monitor under skin | 15 | $62 | $152 |
| Hospital discharge management, 30+ min | 15 | $84 | $168 |
| CT scan of abdomen and pelvis with contrast | 13 | $143 | $530 |
| Electrocardiogram (ecg) 2-day continuous | 12 | $12 | $42 |
| Electrocardiogram (ecg) 2-day continuous with review by health care professional | 12 | $12 | $42 |
| Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional | 11 | $20 | $32 |
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 (100%) 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. Cox is a electrophysiology & remote specialist, with moderate Medicare volume, and low-engagement industry engagement, with 20 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
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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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