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Internal Medicine

Stephen Haddad, MD

Works at hospitals in Brooklyn, NY · New York

Summary

Stephen Haddad, MD (Internal Medicine) is listed by Medicare at 1 hospital in Brooklyn, NY. NPI 1801844964. 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 Stephen Haddad, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
38Years since medical school (graduated 1988)
New York University School Of MedicineMedical school
MaleGender (as listed)

Quick answers

Which hospitals does Stephen Haddad work at?
Medicare's official clinician data lists Stephen Haddad at 1 hospital: Maimonides Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Stephen Haddad see patients?
Medicare's clinician data lists 1 practice location in Brooklyn, NY. Call before your visit to confirm the address.
What is Stephen Haddad's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Gastroenterology.
Does Stephen Haddad accept Medicare assignment?
Yes. Medicare's clinician data says Stephen Haddad 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 Stephen Haddad?
(718) 382-3385, as listed in official Medicare / NPI Registry data.
What is Stephen Haddad's NPI number?
1801844964. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Stephen Haddad works

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

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 →

Clinician information

CredentialMD
Medical schoolNew York University School Of Medicine
Graduation year1988
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1801844964
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