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General Surgery

On Wang, MD

Works at hospitals in Los Angeles, CA · Glendale, CA · California

Summary

On Wang, MD (General Surgery) is listed by Medicare at 2 hospitals in Los Angeles, CA and Glendale, CA. NPI 1497769012. 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 On Wang, 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

General SurgeryPrimary specialty
YesAccepts Medicare assignment
37Years since medical school (graduated 1989)
Loma Linda University School Of MedicineMedical school
MaleGender (as listed)
Surgical Multispecialties Medical GroupGroup practice

Quick answers

Which hospitals does On Wang work at?
Medicare's official clinician data lists On Wang at 2 hospitals: Adventist Health White Memorial and Glendale Mem Hospital & Hlth Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does On Wang see patients?
Medicare's clinician data lists 2 practice locations, including Glendale, CA and Los Angeles, CA. Call before your visit to confirm the address.
What is On Wang's specialty?
Medicare lists General Surgery as the primary specialty.
Does On Wang accept Medicare assignment?
Yes. Medicare's clinician data says On Wang 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 On Wang?
(818) 242-6828, as listed in official Medicare / NPI Registry data.
What is On Wang's NPI number?
1497769012. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where On Wang works

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

Group practices

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

  • Surgical Multispecialties Medical Group5 clinicians in the group

Specialties

Find other General Surgery doctors in California →

Other general surgeons in Glendale

Clinicians with the same Medicare primary specialty in Glendale, CA — not a recommendation.

All general surgeons in Glendale →

Clinician information

CredentialMD
Medical schoolLoma Linda University School Of Medicine
Graduation year1989
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1497769012
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