Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Emergency Medicine

Aaron M. Cho, DO

Sees patients in Bellflower, CA · Downey, CA · California

Summary

Aaron M. Cho, DO (Emergency Medicine) is enrolled with Medicare at 2 practice locations in Bellflower, CA and Downey, CA. NPI 1164841482. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Aaron M. Cho, 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
12Years since medical school (graduated 2014)
Rocky Vista University College Of Osteopathic MedMedical school
MaleGender (as listed)
Southern California Permanente Medical GroupGroup practice

Quick answers

Where does Aaron M. Cho see patients?
Medicare's clinician data lists 2 practice locations, including Bellflower, CA and Downey, CA. Call before your visit to confirm the address.
What is Aaron M. Cho's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Aaron M. Cho accept Medicare assignment?
Yes. Medicare's clinician data says Aaron M. Cho 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 Aaron M. Cho?
(562) 461-3000, as listed in official Medicare / NPI Registry data.
What is Aaron M. Cho's NPI number?
1164841482. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Aaron M. Cho is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Aaron M. Cho as a member of this group (CMS data updated 2026-10-02).

  • Southern California Permanente Medical Group11,293 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Bellflower

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

All emergency medicine doctors in Bellflower →

Clinician information

CredentialDO
Medical schoolRocky Vista University College Of Osteopathic Med
Graduation year2014
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1164841482
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians