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Internal Medicine

Zaynab Marzuk, MD

Works at hospitals in New York, NY · New York

Summary

Dr. Zaynab Marzuk, MD is an internal medicine doctor at 150 55th St, Brooklyn, NY 11220. Phone: (718) 630-7942. Accepts Medicare assignment. NPI 1679209670. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 150 55th St, Brooklyn, NY 11220 · Directions (1 more location)
  • Phone: (718) 630‑7942
  • Medicare: Accepts Medicare assignment
  • Hospital: NYU Langone Hospitals
  • Group practice: NYU Langone Hospitals
  • Medical school: graduated 2018 (8 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Zaynab Marzuk, 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 Zaynab Marzuk accept Medicare assignment?
Yes. Medicare's clinician data says Zaynab Marzuk 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 Zaynab Marzuk's NPI number?
1679209670. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Zaynab Marzuk works

Medicare's Facility Affiliation Data lists Zaynab Marzuk 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.

  • NYU Langone HospitalsNew York, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330214

Practice locations

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

Group practices

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

  • NYU Langone Hospitals247 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Brooklyn

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

All internal medicine doctors in Brooklyn →

Other clinicians in NYU Langone Hospitals

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

Clinician information

CredentialMD
Graduation year2018 (8 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1679209670
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