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Emergency Medicine

Choon P Ng, MD

Works at hospitals in Merrill, WI · Woodruff, WI · Wisconsin

Summary

Choon P Ng, MD (Emergency Medicine) is listed by Medicare at 2 hospitals in Merrill, WI and Woodruff, WI. NPI 1497793533. 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 Choon P Ng, 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
41Years since medical school (graduated 1985)
MaleGender (as listed)
Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc.Group practice (+1 more)

Quick answers

Which hospitals does Choon P Ng work at?
Medicare's official clinician data lists Choon P Ng at 2 hospitals: Aspirus Merrill Hospital and Howard Young Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Choon P Ng see patients?
Medicare's clinician data lists 2 practice locations, including Rhinelander, WI and Woodruff, WI. Call before your visit to confirm the address.
What is Choon P Ng's specialty?
Medicare lists Emergency Medicine as the primary specialty, and also Family Practice.
Does Choon P Ng accept Medicare assignment?
Yes. Medicare's clinician data says Choon P Ng 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 Choon P Ng?
(715) 361-2000, as listed in official Medicare / NPI Registry data.
What is Choon P Ng's NPI number?
1497793533. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Choon P Ng works

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

Group practices

Medicare enrollment lists Choon P Ng as a member of these groups (CMS data updated 2026-10-02).

  • Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc.574 clinicians in the group
  • Howard Young Medical Center Inc of Woodruff Wisconsin56 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Wisconsin →

Other emergency medicine doctors in Rhinelander

Clinicians with the same Medicare primary specialty in Rhinelander, WI — not a recommendation.

All emergency medicine doctors in Rhinelander →

Clinician information

CredentialMD
Graduation year1985
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1497793533
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