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Emergency Medicine

Allen Yang, DO

Works at hospitals in Orange, CA · California

Summary

Allen Yang, DO (Emergency Medicine) is listed by Medicare at 1 hospital in Orange, CA. NPI 1306305388. 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 Allen Yang, 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
7Years since medical school (graduated 2019)
MaleGender (as listed)
City of Hope Medical FoundationGroup practice (+1 more)

Quick answers

Which hospitals does Allen Yang work at?
Medicare's official clinician data lists Allen Yang at 1 hospital: UCI Health-Orange. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Allen Yang see patients?
Medicare's clinician data lists 5 practice locations, including Orange, CA, Duarte, CA and Newport Beach, CA. Call before your visit to confirm the address.
What is Allen Yang's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Allen Yang accept Medicare assignment?
Yes. Medicare's clinician data says Allen Yang 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 Allen Yang?
(714) 456-7004, as listed in official Medicare / NPI Registry data.
What is Allen Yang's NPI number?
1306305388. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Allen Yang works

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

Group practices

Medicare enrollment lists Allen Yang as a member of these groups (CMS data updated 2026-10-02).

  • City of Hope Medical Foundation982 clinicians in the group
  • Regents of the University of129 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Orange

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

All emergency medicine doctors in Orange →

Clinician information

CredentialDO
Graduation year2019
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1306305388
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