DR. DENNIS MICHAEL CASSIDY (M.D.) – Clinical Cardiac Electrophysiology Physician, NPI 1649272006
Clinical Cardiac Electrophysiology Physician
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Profile Insights
NPPES metrics only — not quality of care.
298 CARDIAC ELECTROPHYSIOLOGY in FL
Provider Addresses for DR. DENNIS MICHAEL CASSIDY (M.D.)
601 7TH ST S STE 205
ST PETERSBURG, FL 337014748
Phone: (727) 893-6234
Fax: (727) 553-7798
Type: Mailing
Pop in a Box, 800, Avenida Presidente Juscelino Kubitscheck de Oliveira, Jardim Panorama, São José do Rio Preto, Região Imediata de São José do Rio Preto, Região Geográfica Intermediária de São José do Rio Preto, São Paulo, Southeast Region, 15092-450, Brazil
ORLANDO, FL 328910001
Phone:
Type: Mailing
Tampa General Circle, Harbour Island, Tampa, Hillsborough County, Florida, 33606, United States
TAMPA, FL 336063603
Phone: (813) 974-2201
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 41 Open Payments records for all available years, with a total value of $905.
Total Amount is formed as General ($905) + Research ($0) + Ownership ($0) = $905.
Last reported payment date: 2024-10-28 • Largest payer in this snapshot: Medtronic, Inc. ($291).
Total Amount
$905
General + Research + Ownership
Payments
41
Total payment records
General Amount
$905
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-28
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $291 |
| PFIZER INC. | $171 |
| ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | $134 |
| Janssen Pharmaceuticals, Inc | $62 |
| Impulse Dynamics (USA) Inc. | $46 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2008-05-09
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20080509000096 | I | Cardiac Electrophysiology | FL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 597 | 153 | $0 |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 508 | 255 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 398 | 201 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 162 | 148 | $0 |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 139 | 98 | $0 |
Insurance plans in this area (ZIP 33701)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Radiation Oncology | MI | |
| Nurse Practitioner | FL | |
| Family Practice | FL | |
| Physician Assistant | FL | |
| General Surgery, Critical Care (Intensivists) | FL | |
| Cardiovascular Disease (Cardiology), Internal Medicine | FL | |
| Family Practice | FL | |
| Nurse Practitioner | FL | |
| Physician Assistant | FL | |
| Cardiovascular Disease (Cardiology) | FL |
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