Jennifer Cassidy, FNP

  • West Islip, NY
  • Nurse practitioner
NPI1053579524
Part D claims, 2024
308
Hospital affiliations
1
Industry payments
$482
Medical group
1
State license
1
Practice address
1000 Montauk Highway, West Islip, NY 11795
Practice phone
Call (631) 376-3000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Good Samaritan University Hospital

Hospital · West Islip, New York

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Jennifer Cassidy is a nurse practitioner in West Islip, New York

Jennifer Cassidy practices at Good Samaritan University Hospital in West Islip, New York, part of Diocese of Rockville Centre.

Jennifer Cassidy's NPI, 1053579524, was assigned on May 30, 2008. Jennifer Cassidy holds New York license F334886.

NPI and contact details
NPI enumeration date
May 30, 2008
NPI status
Active
Practice phone
(631) 376-3000
Professional email
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Personal email
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Mobile number
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Sex
Female

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Jennifer Cassidy practices at Good Samaritan University Hospital in West Islip, New York

Jennifer Cassidy's primary practice is Good Samaritan University Hospital, at 1000 Montauk Highway, West Islip, NY 11795 in Suffolk County. The practice phone is (631) 376-3000.

Source: Dmand AI Affiliation Data

Jennifer Cassidy is affiliated with 1 site of care and 1 medical group

Jennifer Cassidy's primary practice is Good Samaritan University Hospital in West Islip, New York, part of Diocese of Rockville Centre. The medical group on file is Samaritan Emergency Medical Services.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Jennifer Cassidy's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Jennifer Cassidy practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Good Samaritan University HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

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Jennifer Cassidy is one of 1,991 nurse practitioners in New York

Nurse practitioner is Jennifer Cassidy's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Jennifer Cassidy is licensed in New York.

Specialties and state licenses

  • Nurse practitioner, New YorkPrimaryLicense F334886 · taxonomy 363L00000X

Nurse practitioners near Jennifer Cassidy

Counts of nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Jennifer Cassidy's patients have a median age of 62

Across all payers, Dmand AI patient panel data puts Jennifer Cassidy's median patient age at 62, with 39% women.

Jennifer Cassidy's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women39%
  • Men55%

Source: Dmand AI Patient Panel Data

Jennifer Cassidy wrote 308 Medicare Part D claims in 2024

In 2024, Jennifer Cassidy wrote 308 Medicare Part D claims for 160 patients. 87% of them were for generic drugs.

Part D claims, 2024308
Part D patients160

Jennifer Cassidy's Part D claims by kind of drug, 2024

  • Generic268 claims87%
  • Brand-name40 claims13%

Drug classes CMS tracks in Jennifer Cassidy's Part D claims, 2024

  • Antibiotics7%21 of 308 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Jennifer Cassidy received $482 in industry payments in 2025

CMS Open Payments shows 18 general payments to Jennifer Cassidy from 6 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $210.

Companies that paid Jennifer Cassidy the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Jennifer Cassidy

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Jennifer Cassidy's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Jennifer Cassidy

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Jennifer Cassidy's NPI number?

Jennifer Cassidy's NPI number is 1053579524. It was assigned on May 30, 2008, and it is active in the NPI Registry.

What does Jennifer Cassidy specialize in?

Jennifer Cassidy is a nurse practitioner in West Islip, New York. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Jennifer Cassidy practice?

Jennifer Cassidy practices at 1000 Montauk Highway, West Islip, NY 11795. Jennifer Cassidy's primary practice is Good Samaritan University Hospital in West Islip, New York, part of Diocese of Rockville Centre.

What is Jennifer Cassidy's office phone number?

The practice phone on file for Jennifer Cassidy is (631) 376-3000.

What is Jennifer Cassidy's medical license number?

Jennifer Cassidy holds New York license F334886.

Which hospitals is Jennifer Cassidy affiliated with?

Jennifer Cassidy practices at Good Samaritan University Hospital in West Islip, New York.

What medical group is Jennifer Cassidy part of?

Jennifer Cassidy is linked to Samaritan Emergency Medical Services.

Has Jennifer Cassidy received payments from drug or device companies?

CMS Open Payments shows $482 in general payments to Jennifer Cassidy from 6 companies from 2025 to 2025. The largest total came from Abbott Laboratories.

How long has Jennifer Cassidy been practicing?

Jennifer Cassidy's NPI was assigned in 2008.

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