Jennifer Kowalski, N.P.
NPI 1598933947 · Adult Health Nurse Practitioner · West Islip, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Kowalski, N.P. is a Adult Health Nurse Practitioner provider in West Islip, NY (NPI 1598933947).
Provider details
- NPI number
- 1598933947
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- F303159 (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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$154 across 2 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
- 2008-02-19
- Last updated
- 2008-02-19
Frequently asked questions
- What is Jennifer Kowalski's NPI number?
- Jennifer Kowalski's National Provider Identifier (NPI) is 1598933947, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Kowalski's specialty?
- Jennifer Kowalski is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jennifer Kowalski located?
- Jennifer Kowalski's practice location on file with NPPES is 1000 Montauk Hwy, West Islip, NY 11795-4927.
- What is Jennifer Kowalski's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Kowalski is (631) 376-4094.
- Does Jennifer Kowalski accept Medicare?
- Jennifer Kowalski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Kowalski's NPI active?
- Yes — Jennifer Kowalski's NPI (1598933947) is active in the NPPES registry as of the last update on 2008-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.