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

Nurse Practitioner

Marisa A. Cortese, NP

Sees patients in Bronx, NY · Smithtown, NY · New York

Summary

Marisa A. Cortese, NP (Nurse Practitioner) is enrolled with Medicare at 2 practice locations in Bronx, NY and Smithtown, NY. NPI 1083805485. 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 Marisa A. Cortese, 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
23Years since medical school (graduated 2003)
FemaleGender (as listed)
North Shore Hematology Oncology Associates PCGroup practice

Quick answers

Where does Marisa A. Cortese see patients?
Medicare's clinician data lists 2 practice locations, including Bronx, NY and Smithtown, NY. Call before your visit to confirm the address.
What is Marisa A. Cortese's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Marisa A. Cortese accept Medicare assignment?
Yes. Medicare's clinician data says Marisa A. Cortese 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 Marisa A. Cortese?
(631) 751-3000, as listed in official Medicare / NPI Registry data.
What is Marisa A. Cortese's NPI number?
1083805485. 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 Marisa A. Cortese is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • North Shore Hematology Oncology Associates PC479 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, New York →

Other nurse practitioners in Bronx

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

All nurse practitioners in Bronx →

Clinician information

CredentialNP
Graduation year2003
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1083805485
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