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Cardiac Surgery

Aaron J. Weiss, MD

Works at hospitals in Manhasset, NY · New York

Summary

Aaron J. Weiss, MD (Cardiac Surgery) is listed by Medicare at 1 hospital in Manhasset, NY. NPI 1912292913. 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 Aaron J. Weiss, 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 SurgeryPrimary specialty
YesAccepts Medicare assignment
15Years since medical school (graduated 2011)
Icahn School Of Medicine At Mount SinaiMedical school
MaleGender (as listed)
North Shore-Lij Medical PCGroup practice

Quick answers

Which hospitals does Aaron J. Weiss work at?
Medicare's official clinician data lists Aaron J. Weiss at 1 hospital: North Shore University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Aaron J. Weiss see patients?
Medicare's clinician data lists 2 practice locations, including Manhasset, NY. Call before your visit to confirm the address.
What is Aaron J. Weiss's specialty?
Medicare lists Cardiac Surgery as the primary specialty.
Does Aaron J. Weiss accept Medicare assignment?
Yes. Medicare's clinician data says Aaron J. Weiss 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 Aaron J. Weiss?
(516) 562-3058, as listed in official Medicare / NPI Registry data.
What is Aaron J. Weiss's NPI number?
1912292913. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Aaron J. Weiss works

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

Group practices

Medicare enrollment lists Aaron J. Weiss 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 Surgery doctors in New York →

Other cardiac surgeons in New York

Clinicians with the same Medicare primary specialty in New York — not a recommendation.

All cardiac surgeons in New York →

Clinician information

CredentialMD
Medical schoolIcahn School Of Medicine At Mount Sinai
Graduation year2011
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1912292913
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