Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Emergency Medicine

Johnny Wong, MD

Works at hospitals in New York, NY · New York

Summary

Johnny Wong, MD (Emergency Medicine) is listed by Medicare at 1 hospital in New York, NY. NPI 1700522661. 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 Johnny Wong, 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
4Years since medical school (graduated 2022)
MaleGender (as listed)
Icahn School of Medicine at Mount SinaiGroup practice

Quick answers

Which hospitals does Johnny Wong work at?
Medicare's official clinician data lists Johnny Wong at 1 hospital: Mount Sinai Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Johnny Wong see patients?
Medicare's clinician data lists 2 practice locations, including New York, NY. Call before your visit to confirm the address.
What is Johnny Wong's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Johnny Wong accept Medicare assignment?
Yes. Medicare's clinician data says Johnny Wong 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 Johnny Wong?
(212) 987-3100, as listed in official Medicare / NPI Registry data.
What is Johnny Wong's NPI number?
1700522661. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Johnny Wong works

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

Group practices

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

  • Icahn School of Medicine at Mount Sinai2,843 clinicians in the group

Specialties

Find other Emergency Medicine doctors in New York →

Other emergency medicine doctors in New York

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

All emergency medicine doctors in New York →

Clinician information

CredentialMD
Graduation year2022
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1700522661
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