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

Nephrology

Sheldon Greenberg, MD

Works at hospitals in Brooklyn, NY · New York

Summary

Sheldon Greenberg, MD (Nephrology) is listed by Medicare at 1 hospital in Brooklyn, NY. NPI 1831270305. 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 Sheldon Greenberg, 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

NephrologyPrimary specialty
YesAccepts Medicare assignment
39Years since medical school (graduated 1987)
Albert Einstein College Of Medicine Of Yeshiva UniversityMedical school
MaleGender (as listed)
Maimonides Medical Center - Maimonides Division of Renal MedicGroup practice

Quick answers

Which hospitals does Sheldon Greenberg work at?
Medicare's official clinician data lists Sheldon Greenberg at 1 hospital: Maimonides Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Sheldon Greenberg see patients?
Medicare's clinician data lists 1 practice location in Brooklyn, NY. Call before your visit to confirm the address.
What is Sheldon Greenberg's specialty?
Medicare lists Nephrology as the primary specialty, and also Infectious Disease.
Does Sheldon Greenberg accept Medicare assignment?
Yes. Medicare's clinician data says Sheldon Greenberg 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 Sheldon Greenberg?
(718) 283-7908, as listed in official Medicare / NPI Registry data.
What is Sheldon Greenberg's NPI number?
1831270305. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Sheldon Greenberg works

Medicare's Facility Affiliation Data lists Sheldon Greenberg 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 Sheldon Greenberg is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Maimonides Medical Center - Maimonides Division of Renal Medic5 clinicians in the group

Specialties

Find other Nephrology doctors in New York →

Other nephrologists in Brooklyn

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

All nephrologists in Brooklyn →

Clinician information

CredentialMD
Medical schoolAlbert Einstein College Of Medicine Of Yeshiva University
Graduation year1987
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1831270305
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