Quick answers
- Does Jason T. Zelenka accept Medicare assignment?
- Yes. Medicare's clinician data says Jason T. Zelenka accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Jason T. Zelenka see?
- In 2024, CMS data shows 2,087 Original Medicare patients and 6,611 services for Jason T. Zelenka. This counts Original Medicare only and measures volume, not quality.
- What is Jason T. Zelenka's NPI number?
- 1972592400. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Jason T. Zelenka, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 2,087 |
|---|---|
| Services billed to Medicare | 6,611 |
| Different services or procedures | 52 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,341 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)609 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)600 services
- Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (99211)519 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)446 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease65%
- Arthritis56%
- Atrial fibrillation44%
- Chronic kidney disease42%
Hospitals where Jason T. Zelenka works
Medicare's Facility Affiliation Data lists Jason T. Zelenka at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Mease Countryside HospitalSafety Harbor, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100265
- Mease Dunedin HospitalDunedin, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100043
- Morton Plant HospitalClearwater, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100127
- St Josephs HospitalTampa, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100075
Practice locations
Addresses where Jason T. Zelenka is enrolled with Medicare (CMS data updated October 2, 2026).
- 300 Pinellas StClearwater, FL 33756 (727) 462‑7000
- 455 Pinellas St, Suite 400Clearwater, FL 33756
- 8839 Bryan Dairy Rd, Suite 300Largo, FL 33777 (727) 394‑1911
Group practices
Medicare enrollment lists Jason T. Zelenka as a member of these groups (CMS data updated October 2, 2026).
- Clearwater Cardiovascular and Interventional Consultants MD PA39 clinicians in the group
- Pinellas Ekg Interpreters Inc37 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Florida →
Other cardiologists in Clearwater
Clinicians with the same Medicare primary specialty in Clearwater, FL — not a recommendation.
Other clinicians in Clearwater Cardiovascular and Interventional Consultants MD PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of Ny Upstate Medical University |
| Graduation year | 1996 (30 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1972592400 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians