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Emergency Medicine

Anthony B. Kwan

Works at hospitals in Port Jefferson, NY · New York

Summary

Anthony B. Kwan (Emergency Medicine) is listed by Medicare at 1 hospital in Port Jefferson, NY. NPI 1003312802. 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 Anthony B. Kwan, 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

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
8Years since medical school (graduated 2018)
MaleGender (as listed)
Port Emergency Medical Services PCGroup practice

Quick answers

Which hospitals does Anthony B. Kwan work at?
Medicare's official clinician data lists Anthony B. Kwan at 1 hospital: St Charles Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Anthony B. Kwan see patients?
Medicare's clinician data lists 1 practice location in Port Jefferson, NY. Call before your visit to confirm the address.
What is Anthony B. Kwan's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Anthony B. Kwan accept Medicare assignment?
Yes. Medicare's clinician data says Anthony B. Kwan 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 Anthony B. Kwan?
(240) 686-2300, as listed in official Medicare / NPI Registry data.
What is Anthony B. Kwan's NPI number?
1003312802. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Anthony B. Kwan works

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

Group practices

Medicare enrollment lists Anthony B. Kwan as a member of this group (CMS data updated 2026-10-02).

  • Port Emergency Medical Services PC43 clinicians in the group

Specialties

Find other Emergency Medicine doctors in New York →

Other emergency medicine doctors in Port Jefferson

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

All emergency medicine doctors in Port Jefferson →

Clinician information

Graduation year2018
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1003312802
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