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Hospitalist

Matthew J. Martin, DO

Works at hospitals in Stony Brook, NY · New York

Summary

Matthew J. Martin, DO (Hospitalist) is listed by Medicare at 1 hospital in Stony Brook, NY. NPI 1114677333. 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 Matthew J. Martin, 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
4Years since medical school (graduated 2022)
MaleGender (as listed)
Stony Brook Internists University Faculty Practice CorporationGroup practice

Quick answers

Which hospitals does Matthew J. Martin work at?
Medicare's official clinician data lists Matthew J. Martin at 1 hospital: Suny/Stony Brook University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Matthew J. Martin see patients?
Medicare's clinician data lists 3 practice locations, including Stony Brook, NY. Call before your visit to confirm the address.
What is Matthew J. Martin's specialty?
Medicare lists Hospitalist as the primary specialty.
Does Matthew J. Martin accept Medicare assignment?
Yes. Medicare's clinician data says Matthew J. Martin 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 Matthew J. Martin?
(631) 444-1560, as listed in official Medicare / NPI Registry data.
What is Matthew J. Martin's NPI number?
1114677333. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Matthew J. Martin works

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

Group practices

Medicare enrollment lists Matthew J. Martin 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

CredentialDO
Graduation year2022
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1114677333
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