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Dennis Michael Cassidy, M.D.

NPI 1649272006ActiveIndividual· Internal Medicine, Clinical Cardiac Electrophysiology· St Petersburg, FL

Internal Medicine, Clinical Cardiac Electrophysiology (M.D.) with Ohi West Medical Group LLC, practicing in St Petersburg, Florida. Their prescriptions cost Medicare Part D more than their services did: $762,067 for 1,616 claims, against $141,133 paid for services in 2024. Cvrx, Inc. was the largest of 11 companies reporting payments in 2025, $647.28 in all, mostly food and beverage. Lists Orlando Health Bayfront Hospital as a hospital affiliation.

Overview

NPI1649272006
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedAug 15, 2005
Last updated in NPPESSep 23, 2021
Certified by providerSep 23, 2021

Specialties and licenses

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Cardiac Electrophysiology (FL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients490
Services billed2,279 across 37 procedure codes
Paid by Medicare$141,133

Part D prescriptions in 2024

Prescriptions (claims)1,616 · 3,970 30-day fills
Patients274
Total drug cost$762,067
Generic share75% of claims

Medicare sources and data years

Education and affiliations

Graduation year1978
Medicare specialtyCardiac Electrophysiology
Secondary specialtiesCardiovascular Disease (Cardiology), Internal Medicine

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$647.28 · 15 payments from 11 companies
  • 2024$351.31 · 15 payments from 7 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$647.28 · 15 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

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