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Anesthesiology

Benjamin Marsh

Works at hospitals in New Hyde Park, NY · New York

Summary

Benjamin Marsh (Anesthesiology) is listed by Medicare at 1 hospital in New Hyde Park, NY. NPI 1023462900. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Benjamin Marsh, 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

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
10Years since medical school (graduated 2016)
MaleGender (as listed)
North Shore - Lij Anesthesiology, PCGroup practice

Quick answers

Which hospitals does Benjamin Marsh work at?
Medicare's official clinician data lists Benjamin Marsh at 1 hospital: Long Island Jewish Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Benjamin Marsh see patients?
Medicare's clinician data lists 1 practice location in New Hyde Park, NY. Call before your visit to confirm the address.
What is Benjamin Marsh's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Benjamin Marsh accept Medicare assignment?
Yes. Medicare's clinician data says Benjamin Marsh 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 Benjamin Marsh?
(718) 470-3000, as listed in official Medicare / NPI Registry data.
What is Benjamin Marsh's NPI number?
1023462900. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Benjamin Marsh works

Medicare's Facility Affiliation Data lists Benjamin Marsh at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Benjamin Marsh is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Benjamin Marsh as a member of this group (CMS data updated 2026-10-02).

  • North Shore - Lij Anesthesiology, PC1,003 clinicians in the group

Specialties

Find other Anesthesiology doctors in New York →

Other anesthesiologists in New Hyde Park

Clinicians with the same Medicare primary specialty in New Hyde Park, NY — not a recommendation.

All anesthesiologists in New Hyde Park →

Clinician information

Graduation year2016
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1023462900
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  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