Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Lynn A. Segerivas, NP

Sees patients in Bay Shore, NY · Amityville, NY · New York

Summary

Lynn A. Segerivas, NP (Nurse Practitioner) is enrolled with Medicare at 2 practice locations in Bay Shore, NY and Amityville, NY. NPI 1194039784. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Lynn A. Segerivas, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
7Years since medical school (graduated 2019)
FemaleGender (as listed)
North Shore Lij Urgent Care PCGroup practice

Quick answers

Where does Lynn A. Segerivas see patients?
Medicare's clinician data lists 2 practice locations, including Bay Shore, NY and Amityville, NY. Call before your visit to confirm the address.
What is Lynn A. Segerivas's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Lynn A. Segerivas accept Medicare assignment?
Yes. Medicare's clinician data says Lynn A. Segerivas accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Lynn A. Segerivas?
(631) 238-3064, as listed in official Medicare / NPI Registry data.
What is Lynn A. Segerivas's NPI number?
1194039784. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Lynn A. Segerivas is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Lynn A. Segerivas as a member of this group (CMS data updated 2026-10-02).

  • North Shore Lij Urgent Care PC390 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, New York →

Other nurse practitioners in Bay Shore

Clinicians with the same Medicare primary specialty in Bay Shore, NY — not a recommendation.

All nurse practitioners in Bay Shore →

Clinician information

CredentialNP
Graduation year2019
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1194039784
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians