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Internal Medicine

Wong L. Koon, MD

Sees patients in Flushing, NY · New York

Summary

Wong L. Koon, MD (Internal Medicine) is enrolled with Medicare at 3 practice locations in Flushing, NY. NPI 1144256405. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

Call(718) 539‑8000 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Wong L. Koon, 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

3Practice locations
Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
49Years since medical school (graduated 1977)
MaleGender (as listed)

Quick answers

Where does Wong L. Koon see patients?
Medicare's clinician data lists 3 practice locations, including Flushing, NY. Call before your visit to confirm the address.
What is Wong L. Koon's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Wong L. Koon accept Medicare assignment?
Yes. Medicare's clinician data says Wong L. Koon 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.
Does Wong L. Koon offer telehealth?
Medicare's clinician data says Wong L. Koon offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Wong L. Koon?
(718) 539-8000, as listed in official Medicare / NPI Registry data.
What is Wong L. Koon's NPI number?
1144256405. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Wong L. Koon is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Flushing

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

All internal medicine doctors in Flushing →

Clinician information

CredentialMD
Graduation year1977
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1144256405
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians