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Emergency Medicine

Peter Nguyen, DO

Works at hospitals in Garden Grove, CA · Newport Beach, CA · California

Summary

Peter Nguyen, DO (Emergency Medicine) is listed by Medicare at 2 hospitals in Garden Grove, CA and Newport Beach, CA. NPI 1871933366. 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 Peter Nguyen, 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
YesOffers telehealth
13Years since medical school (graduated 2013)
Arizona College Of Osteopathic Medicine Mid Western UniversityMedical school
MaleGender (as listed)
Southern California Permanente Medical GroupGroup practice (+5 more)

Quick answers

Which hospitals does Peter Nguyen work at?
Medicare's official clinician data lists Peter Nguyen at 2 hospitals: Garden Grove Hospital & Medical Center and Hoag Memorial Hospital Presbyterian. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Peter Nguyen see patients?
Medicare's clinician data lists 4 practice locations, including Irvine, CA, Garden Grove, CA and San Marcos, CA. Call before your visit to confirm the address.
What is Peter Nguyen's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Peter Nguyen accept Medicare assignment?
Yes. Medicare's clinician data says Peter Nguyen 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 Peter Nguyen offer telehealth?
Medicare's clinician data says Peter Nguyen offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Peter Nguyen?
(949) 671-4673, as listed in official Medicare / NPI Registry data.
What is Peter Nguyen's NPI number?
1871933366. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Peter Nguyen works

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

Group practices

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

  • Southern California Permanente Medical Group11,293 clinicians in the group
  • Franciscan Medical Group1,421 clinicians in the group
  • Cep America - California1,292 clinicians in the group
  • City of Hope Medical Foundation982 clinicians in the group
  • North County Health Project Inc64 clinicians in the group
  • DRH Medical Group25 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Irvine

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

All emergency medicine doctors in Irvine →

Clinician information

CredentialDO
Medical schoolArizona College Of Osteopathic Medicine Mid Western University
Graduation year2013
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1871933366
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