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Physician Assistant

Emilie Marcinkowski, PA

Works at hospitals in Bay Shore, NY · New York

Summary

Emilie Marcinkowski, PA is a physician assistant at 300 Community Dr, Manhasset, NY 11030. Phone: (516) 562-2229. Accepts Medicare assignment. In 2024, Emilie Marcinkowski had 61 Original Medicare patients and 101 services. NPI 1851079800. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Physician assistant
  • Address: 300 Community Dr, Manhasset, NY 11030 · Directions (4 more locations)
  • Phone: (516) 562‑2229
  • Medicare: Accepts Medicare assignment
  • Hospital: Ns/Lij HS Southside Hospital
  • Group practice: North Shore-Lij Medical PC
  • School: George Washington University School Of Medicine · graduated 2023
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Emilie Marcinkowski, 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 Emilie Marcinkowski accept Medicare assignment?
Yes. Medicare's clinician data says Emilie Marcinkowski 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 Emilie Marcinkowski see?
In 2024, CMS data shows 61 Original Medicare patients and 101 services for Emilie Marcinkowski. This counts Original Medicare only and measures volume, not quality.
What is Emilie Marcinkowski's NPI number?
1851079800. 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 Emilie Marcinkowski, 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 patients61
Services billed to Medicare101
Different services or procedures33
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)27 services
  2. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)12 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 blood pressure75%
  • High cholesterol75%
  • Arthritis75%
  • Ischemic heart disease51%
  • Diabetes46%
  • Depression41%

Hospitals where Emilie Marcinkowski works

Medicare's Facility Affiliation Data lists Emilie Marcinkowski at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Ns/Lij HS Southside HospitalBay Shore, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330043

Practice locations

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

Group practices

Medicare enrollment lists Emilie Marcinkowski as a member of this group (CMS data updated October 2, 2026).

  • North Shore-Lij Medical PC6,440 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, New York →

Other physician assistants in Manhasset

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

All physician assistants in Manhasset →

Other clinicians in North Shore-Lij Medical PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialPA
SchoolGeorge Washington University School Of Medicine
Graduation year2023
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851079800
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians