JESSICA MARIA KIERNAN NURSE PRACTITIONER
NPI 1942845193
Nurse Practitioner - Adult Health in West Islip, NY
About Jessica Maria Kiernan Nurse Practitioner NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JESSICA MARIA KIERNAN NURSE PRACTITIONER (NPI 1942845193) is an individual adult health provider in West Islip, New York, licensed in New York (309407) and active in the NPI registry since November 2019. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Jessica Maria Kiernan Nurse Practitioner is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Jessica Kiernan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Islip, NY 11795
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Samaritan Medical Services PC
- 209 clinicians in this Medicare group
West Islip, NY 11795
- Reassigned Medicare billing, New York enrollment
- 187 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11795 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WEST ISLIP, NY 11795
WEST ISLIP, NY 11795
WEST ISLIP, NY 11795
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Jessica Kiernan's NPI number?
The NPI number for Jessica Kiernan is 1942845193. It was assigned to this individual provider in the NPPES registry on November 12, 2019.
Where is Jessica Kiernan located?
Jessica Kiernan practices at 1000 Montauk Hwy, West Islip, NY 11795. The listed phone number is (631) 376-3183.
What is Jessica Kiernan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Jessica Kiernan enrolled in Medicare?
Yes. Jessica Kiernan is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Jessica Kiernan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jessica Kiernan reassigns Medicare benefits to 2 organizations: Samaritan Medical Services, P.C. (West Islip, NY) and St. Francis Hospital (West Islip, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jessica Kiernan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Jessica Kiernan was last updated on November 12, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Jessica Maria Kiernan, NURSE PRACTITIONER · NPI 1942845193
Adult Health physician in West Islip, New York. Individual provider, active in the CMS NPPES registry since November 12, 2019.
## Identity
- **NPI:** 1942845193 (Entity type: Individual)
- **Enumerated:** November 12, 2019
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** 309407 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 1000 MONTAUK HWY, West Islip, NY 11795-4927
- **Phone:** (631) 376-3183
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Samaritan Medical Services, P.C. (NPI 1124184544, West Islip, NY); St. Francis Hospital (NPI 1528386810, West Islip, NY) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 12, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1942845193) · Data from the CMS NPPES public registry.