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Nurse Practitioner

Jean Jeffrey Marcellus

Works at hospitals in New York, NY · New York

Summary

Jean Jeffrey Marcellus is a nurse practitioner at 15 2nd Ave, Fl 3, Brooklyn, NY 11215. Phone: (917) 406-8744. Accepts Medicare assignment. NPI 1881906766. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Nurse practitioner
  • Address: 15 2nd Ave, Fl 3, Brooklyn, NY 11215 · Directions
  • Phone: (917) 406‑8744
  • Medicare: Accepts Medicare assignment
  • Hospital: Mount Sinai West
  • Group practice: Revcore Recovery Center of Manhattan LLC
  • School: graduated 2011
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Jean Jeffrey Marcellus, 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 Jean Jeffrey Marcellus accept Medicare assignment?
Yes. Medicare's clinician data says Jean Jeffrey Marcellus 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.
What is Jean Jeffrey Marcellus's NPI number?
1881906766. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jean Jeffrey Marcellus works

Medicare's Facility Affiliation Data lists Jean Jeffrey Marcellus 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.

  • Mount Sinai WestNew York, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330046

Practice locations

Addresses where Jean Jeffrey Marcellus is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jean Jeffrey Marcellus as a member of this group (CMS data updated October 2, 2026).

  • Revcore Recovery Center of Manhattan LLC8 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, New York →

Other nurse practitioners in Brooklyn

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

All nurse practitioners in Brooklyn →

Other clinicians in Revcore Recovery Center of Manhattan LLC

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

Clinician information

Graduation year2011
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1881906766
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians