Jennifer Cassidy, FNP
NPI 1053579524 · Nurse Practitioner · Smithtown, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Cassidy, FNP is a Nurse Practitioner provider in Smithtown, NY (NPI 1053579524).
Provider details
- NPI number
- 1053579524
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- F334886 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
18 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clopidogrel Bisulfatebrand: Clopidogrel | 100 | 53 |
| Metoprolol Succinate | 34 | 23 |
| Cephalexin | 19 | 19 |
| Ticagrelorbrand: Brilinta | 15 | — |
| Prasugrel Hcl | 15 | — |
| Atorvastatin Calcium | 12 | — |
| Amiodarone Hcl | 12 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$819 across 32 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-05-30
- Last updated
- 2010-12-01
Frequently asked questions
- What is Jennifer Cassidy's NPI number?
- Jennifer Cassidy's National Provider Identifier (NPI) is 1053579524, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Cassidy's specialty?
- Jennifer Cassidy is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jennifer Cassidy located?
- Jennifer Cassidy's practice location on file with NPPES is 260 Middle Country Rd, Smithtown, NY 11787-2982.
- What is Jennifer Cassidy's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Cassidy is (631) 265-5050.
- Does Jennifer Cassidy accept Medicare?
- Jennifer Cassidy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Cassidy's NPI active?
- Yes — Jennifer Cassidy's NPI (1053579524) is active in the NPPES registry as of the last update on 2010-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.