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Diagnostic Radiology

Alpa G. Garg, MD

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

Summary

Alpa G. Garg, MD (Diagnostic Radiology) is listed by Medicare at 5 hospitals in Port Jefferson, NY, New Hyde Park, NY and Manhasset, NY and other places. NPI 1154472140. 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 Alpa G. Garg, 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

Diagnostic RadiologyPrimary specialty
YesAccepts Medicare assignment
23Years since medical school (graduated 2003)
University Of Mississippi School Of MedicineMedical school
FemaleGender (as listed)
North Shore-Lij Medical PCGroup practice (+1 more)

Quick answers

Which hospitals does Alpa G. Garg work at?
Medicare's official clinician data lists Alpa G. Garg at 5 hospitals: John T Mather Memorial Hospital of Port Jefferson, Long Island Jewish Medical Center, North Shore University Hospital, Ns/Lij HS Huntington Hospital and Ns/Lij HS Southside Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Alpa G. Garg see patients?
Medicare's clinician data lists 38 practice locations, including Riverhead, NY, New York, NY and Glen Cove, NY. Call before your visit to confirm the address.
What is Alpa G. Garg's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does Alpa G. Garg accept Medicare assignment?
Yes. Medicare's clinician data says Alpa G. Garg 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 Alpa G. Garg?
(631) 548-6000, as listed in official Medicare / NPI Registry data.
What is Alpa G. Garg's NPI number?
1154472140. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Alpa G. Garg works

Medicare's Facility Affiliation Data lists Alpa G. Garg 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 Alpa G. Garg is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 38; the Medicare profile lists all.

Group practices

Medicare enrollment lists Alpa G. Garg as a member of these groups (CMS data updated 2026-10-02).

  • North Shore-Lij Medical PC6,440 clinicians in the group
  • Southside Faculty Medical Affiliates University Faculty Practice Corp231 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in New York →

Other radiologists in Riverhead

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

All radiologists in Riverhead →

Clinician information

CredentialMD
Medical schoolUniversity Of Mississippi School Of Medicine
Graduation year2003
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1154472140
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