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

Cardiac Electrophysiology

Stuart J. Beldner, MD

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

Summary

Stuart J. Beldner, MD (Cardiac Electrophysiology) is listed by Medicare at 2 hospitals in New Hyde Park, NY and Manhasset, NY. NPI 1720159114. 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 Stuart J. Beldner, 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

Cardiac ElectrophysiologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
29Years since medical school (graduated 1997)
MaleGender (as listed)
North Shore-Lij Medical PCGroup practice

Quick answers

Which hospitals does Stuart J. Beldner work at?
Medicare's official clinician data lists Stuart J. Beldner at 2 hospitals: Long Island Jewish Medical Center and North Shore University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Stuart J. Beldner see patients?
Medicare's clinician data lists 1 practice location in Manhasset, NY. Call before your visit to confirm the address.
What is Stuart J. Beldner's specialty?
Medicare lists Cardiac Electrophysiology as the primary specialty, and also Cardiovascular Disease (Cardiology) and Internal Medicine.
Does Stuart J. Beldner accept Medicare assignment?
Yes. Medicare's clinician data says Stuart J. Beldner 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.
Does Stuart J. Beldner offer telehealth?
Medicare's clinician data says Stuart J. Beldner offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Stuart J. Beldner?
(516) 562-3058, as listed in official Medicare / NPI Registry data.
What is Stuart J. Beldner's NPI number?
1720159114. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Stuart J. Beldner works

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

Group practices

Medicare enrollment lists Stuart J. Beldner as a member of this group (CMS data updated 2026-10-02).

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

Specialties

Find other Cardiac Electrophysiology doctors in New York →

Other cardiac electrophysiologists in Manhasset

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

All cardiac electrophysiologists in Manhasset →

Clinician information

CredentialMD
Graduation year1997
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1720159114
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