Quick answers
- Which hospitals does Eileen Y. Chang work at?
- Medicare's official clinician data lists Eileen Y. Chang at 1 hospital: Torrance Memorial Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Eileen Y. Chang see patients?
- Medicare's clinician data lists 1 practice location in Torrance, CA. Call before your visit to confirm the address.
- What is Eileen Y. Chang's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Eileen Y. Chang accept Medicare assignment?
- Yes. Medicare's clinician data says Eileen Y. Chang 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 Eileen Y. Chang?
- (310) 325-9110, as listed in official Medicare / NPI Registry data.
- What is Eileen Y. Chang's NPI number?
- 1376746644. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Eileen Y. Chang works
Medicare's Facility Affiliation Data lists Eileen Y. Chang at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Torrance Memorial Medical CenterTorrance, CA · Acute Care Hospital · CCN 050351
Practice locations
Addresses where Eileen Y. Chang is enrolled with Medicare (CMS data updated 2026-10-02).
- 3330 Lomita BlvdTorrance, CA 90505 (310) 325‑9110
Group practices
Medicare enrollment lists Eileen Y. Chang as a member of this group (CMS data updated 2026-10-02).
- Torrance Emergency Physicians Inc22 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Torrance
Clinicians with the same Medicare primary specialty in Torrance, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 2005 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1376746644 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians