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Hospitalist

Zeina Hasan, MD

Works at hospitals in Stony Brook, NY · New York

Summary

Zeina Hasan, MD (Hospitalist) is listed by Medicare at 1 hospital in Stony Brook, NY. NPI 1669009437. 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 Zeina Hasan, 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

HospitalistPrimary specialty
YesAccepts Medicare assignment
7Years since medical school (graduated 2019)
FemaleGender (as listed)
Stony Brook Internists University Faculty Practice CorporationGroup practice

Quick answers

Which hospitals does Zeina Hasan work at?
Medicare's official clinician data lists Zeina Hasan at 1 hospital: Suny/Stony Brook University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Zeina Hasan see patients?
Medicare's clinician data lists 4 practice locations, including Stony Brook, NY and East Setauket, NY. Call before your visit to confirm the address.
What is Zeina Hasan's specialty?
Medicare lists Hospitalist as the primary specialty.
Does Zeina Hasan accept Medicare assignment?
Yes. Medicare's clinician data says Zeina Hasan 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 Zeina Hasan?
(631) 444-1560, as listed in official Medicare / NPI Registry data.
What is Zeina Hasan's NPI number?
1669009437. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Zeina Hasan works

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

Group practices

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

  • Stony Brook Internists University Faculty Practice Corporation428 clinicians in the group

Specialties

Find other Hospitalist doctors in New York →

Other hospitalists in Stony Brook

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

All hospitalists in Stony Brook →

Clinician information

CredentialMD
Graduation year2019
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1669009437
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