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Orthopedic Surgery

Arash Aminian, MD

Works at hospitals in Torrance, CA · Laguna Hills, CA · Mission Viejo, CA · California

Summary

Arash Aminian, MD (Orthopedic Surgery) is listed by Medicare at 3 hospitals in Torrance, CA, Laguna Hills, CA and Mission Viejo, CA. NPI 1154363554. 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 Arash Aminian, 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

Orthopedic SurgeryPrimary specialty
YesAccepts Medicare assignment
25Years since medical school (graduated 2001)
University Of Rochester School Of Medicine And DentistryMedical school
MaleGender (as listed)

Quick answers

Which hospitals does Arash Aminian work at?
Medicare's official clinician data lists Arash Aminian at 3 hospitals: Lac/Harbor-Ucla Medical Center, Memorialcare Saddleback Medical Center and Providence Mission Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Arash Aminian see patients?
Medicare's clinician data lists 2 practice locations, including Irvine, CA and Laguna Woods, CA. Call before your visit to confirm the address.
What is Arash Aminian's specialty?
Medicare lists Orthopedic Surgery as the primary specialty.
Does Arash Aminian accept Medicare assignment?
Yes. Medicare's clinician data says Arash Aminian 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 Arash Aminian?
(949) 586-3200, as listed in official Medicare / NPI Registry data.
What is Arash Aminian's NPI number?
1154363554. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Arash Aminian works

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

Group practices

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

  • Orthowest47 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in California →

Other orthopedic surgeons in Irvine

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

All orthopedic surgeons in Irvine →

Clinician information

CredentialMD
Medical schoolUniversity Of Rochester School Of Medicine And Dentistry
Graduation year2001
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1154363554
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