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Family Practice

Sanjay Sangwan, MD

Works at hospitals in West Islip, NY · Port Jefferson, NY · Stony Brook, NY · New York

Summary

Sanjay Sangwan, MD (Family Practice) is listed by Medicare at 4 hospitals in West Islip, NY, Port Jefferson, NY and Stony Brook, NY. NPI 1346280658. 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 Sanjay Sangwan, 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

Family PracticePrimary specialty
YesAccepts Medicare assignment
27Years since medical school (graduated 1999)
MaleGender (as listed)
CHS Physician Partners PCGroup practice

Quick answers

Which hospitals does Sanjay Sangwan work at?
Medicare's official clinician data lists Sanjay Sangwan at 4 hospitals: Good Samaritan Hospital Medical Center, John T Mather Memorial Hospital of Port Jefferson, St Charles Hospital and Suny/Stony Brook University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Sanjay Sangwan see patients?
Medicare's clinician data lists 1 practice location in Port Jefferson Station, NY. Call before your visit to confirm the address.
What is Sanjay Sangwan's specialty?
Medicare lists Family Practice as the primary specialty, and also Internal Medicine.
Does Sanjay Sangwan accept Medicare assignment?
Yes. Medicare's clinician data says Sanjay Sangwan 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 Sanjay Sangwan?
(631) 928-2002, as listed in official Medicare / NPI Registry data.
What is Sanjay Sangwan's NPI number?
1346280658. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Sanjay Sangwan works

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

Group practices

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

  • CHS Physician Partners PC743 clinicians in the group

Specialties

Find other Family Practice doctors in New York →

Other family doctors in Port Jefferson Station

Clinicians with the same Medicare primary specialty in Port Jefferson Station, NY — not a recommendation.

All family doctors in Port Jefferson Station →

Clinician information

CredentialMD
Graduation year1999
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1346280658
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