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Joyce H. Cassen, MD

NPI 1548214620ActiveIndividual· Ophthalmology· Las Vegas, NV

Ophthalmology (MD) in Las Vegas, Nevada, trained at Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University (class of 1980). In 2024 Medicare paid $86,891 for 808 patients, and Part D covered 1,480 of their prescriptions, 66% of them generic. Bausch & Lomb Americas Inc. was the largest of 2 companies reporting payments in 2025, $146.75 in all, mostly food and beverage.

Overview

NPI1548214620
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedMay 21, 2006
Last updated in NPPESMar 29, 2023
Certified by providerMar 29, 2023

Specialties and licenses

TaxonomyCodeLicenseState
Ophthalmology Primary207W00000X16823NV

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Ophthalmology (NV)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients808
Services billed1,334 across 29 procedure codes
Paid by Medicare$86,891

Part D prescriptions in 2024

Prescriptions (claims)1,480 · 3,136 30-day fills
Patients516
Total drug cost$87,443
Generic share66% of claims

Medicare sources and data years

Education and affiliations

Medical schoolClvlnd Clinic Lerner College of Med of Case Wstn Rsv University
Graduation year1980
Medicare specialtyOphthalmology

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$146.75 · 2 payments from 2 companies
  • 2024$29.44 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Bausch & Lomb Americas Inc.$124.991
Oyster Point Pharma, Inc.$21.761

What the 2025 payments were for

  • Food and Beverage$146.75 · 2 payments

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

Other Ophthalmology providers in Las Vegas

All Ophthalmology providers in Nevada →