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

Nurse Practitioner

Jenny Delaleu, NP

Sees patients in Freeport, NY · New York

Summary

Jenny Delaleu, NP is a nurse practitioner at 294 W Merrick Rd, Suite 1, Freeport, NY 11520. Accepts Medicare assignment. In 2024, Jenny Delaleu had 135 Original Medicare patients and 241 services. NPI 1437284551. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nurse practitioner
  • Address: 294 W Merrick Rd, Suite 1, Freeport, NY 11520 · Directions
  • Medicare: Accepts Medicare assignment
  • School: Columbia University College Of Physicians And Surgeons · graduated 2005
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Jenny Delaleu, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Jenny Delaleu accept Medicare assignment?
Yes. Medicare's clinician data says Jenny Delaleu accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Jenny Delaleu see?
In 2024, CMS data shows 135 Original Medicare patients and 241 services for Jenny Delaleu. This counts Original Medicare only and measures volume, not quality.
What is Jenny Delaleu's NPI number?
1437284551. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Jenny Delaleu, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients135
Services billed to Medicare241
Different services or procedures29
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)68 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)34 services
  3. Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) (87811)26 services
  4. Automated urinalysis test (81003)15 services
  5. Detection test by immunoassay with direct visual observation for influenza virus (87804)13 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure70%
  • Arthritis44%
  • Ischemic heart disease35%
  • Anxiety33%
  • Diabetes27%

Practice locations

Addresses where Jenny Delaleu is enrolled with Medicare (CMS data updated October 2, 2026).

  • 294 W Merrick Rd, Suite 1Freeport, NY 11520

Specialties

Find other clinicians: Nurse Practitioner, New York →

Other nurse practitioners in Freeport

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

All nurse practitioners in Freeport →

Clinician information

CredentialNP
SchoolColumbia University College Of Physicians And Surgeons
Graduation year2005
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1437284551
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 October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians