Dr. Jason Zelenka, MD
What this data tells you about Dr. Zelenka
Dr. Jason Zelenka is a cardiovascular disease in Clearwater, FL, with 20 years in practice. Based on federal Medicare data, Dr. Zelenka performed 5,397 Medicare services across 3,401 unique beneficiaries.
Between the years covered by Open Payments, Dr. Zelenka received a total of $811 from 15 pharmaceutical and/or device companies across 46 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in cardiovascular disease. 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. Zelenka 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) | 1,292 | $90 | $205 |
| Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 493 | $16 | $30 |
| Hospital follow-up visit, moderate complexity | 473 | $62 | $135 |
| Prothrombin time test (blood clotting) | 446 | $4 | $6 |
| Electrocardiogram (EKG), 12-lead | 361 | $10 | $45 |
| EKG interpretation and report | 331 | $6 | $20 |
| Echocardiogram, transthoracic | 283 | $137 | $525 |
| Regadenoson injection (Lexiscan) for heart stress test | 280 | $43 | $105 |
| Technetium tc-99m tetrofosmin, diagnostic, per study dose | 236 | $344 | $489 |
| Initial hospital admission, moderate complexity | 161 | $101 | $250 |
| Electrocardiogram (ecg) 2-day continuous with review and report by health care professional | 137 | $46 | $350 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician | 126 | $43 | $265 |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | 118 | $326 | $980 |
| New patient office visit (45-59 min) | 80 | $105 | $320 |
| Office visit, established patient (20-29 min) | 77 | $66 | $140 |
| Office visit, established patient, complex (40-54 min) | 55 | $127 | $275 |
| Ultrasound of both sides of head and neck blood flow | 52 | $129 | $478 |
| Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts | 36 | $126 | $412 |
| Ultrasound of heart with color-depicted blood flow, rate and valve function | 34 | $18 | $235 |
| Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report | 34 | $170 | $545 |
| Hospital follow-up visit, low complexity | 33 | $40 | $75 |
| Heart rhythm review and interpretation of continous external ekg over 8-15 days | 32 | $20 | $200 |
| Heart rhythm recording of continous external ekg over 8-15 days | 31 | $9 | $200 |
| Ultrasound of leg arteries at rest and after exercise | 30 | $109 | $408 |
| Ultrasound of leg arteries or artery grafts | 30 | $174 | $560 |
| Ultrasound of heart blood flow, valves and chambers | 27 | $37 | $200 |
| External shock to heart to regulate heart beat | 24 | $85 | $250 |
| Complete ultrasound of abdomen and pelvis artery and vein blood flow | 17 | $203 | $734 |
| Ultrasound of heart blood flow, valves and chambers, follow-up | 15 | $6 | $25 |
| Complete ultrasound study of arm and leg arteries | 15 | $83 | $346 |
| Ultrasound of heart, follow-up | 14 | $69 | $240 |
| Ultrasound of heart with probe in esophagus, with report | 13 | $83 | $325 |
| Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional | 11 | $20 | $50 |
Industry Payment Transparency
Open Payments through 2023 ↗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 (2023)
Associated products mentioned in payments ›
Most payments (98%) 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 2023 |
| 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. Zelenka is a clinical cardiology specialist, with above-average Medicare volume (top 19% in FL), 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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