Quick answers
- Which hospitals does Ivy Chang work at?
- Medicare's official clinician data lists Ivy Chang at 2 hospitals: Cedar-Sinai Marina del Rey Hospital and Memorial Hospital of Gardena. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ivy Chang see patients?
- Medicare's clinician data lists 2 practice locations, including Gardena, CA and Marina Del Rey, CA. Call before your visit to confirm the address.
- What is Ivy Chang's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Ivy Chang accept Medicare assignment?
- Yes. Medicare's clinician data says Ivy 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 Ivy Chang?
- (310) 532-4200, as listed in official Medicare / NPI Registry data.
- What is Ivy Chang's NPI number?
- 1891182374. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ivy Chang works
Medicare's Facility Affiliation Data lists Ivy Chang at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cedar-Sinai Marina del Rey HospitalMarina del Rey, CA · Acute Care Hospital · CCN 050740
- Memorial Hospital of GardenaGardena, CA · Acute Care Hospital · CCN 050468
Practice locations
Addresses where Ivy Chang is enrolled with Medicare (CMS data updated 2026-10-02).
- 1145 W Redondo Beach BlvdGardena, CA 90247 (310) 532‑4200
- 4650 Lincoln BlvdMarina Del Rey, CA 90292 (310) 118‑5200
Group practices
Medicare enrollment lists Ivy Chang as a member of these groups (CMS data updated 2026-10-02).
- Mission Viejo Emergency Medical Associates, Inc.30 clinicians in the group
- Redondo Emergency Physicians Inc13 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Gardena
Clinicians with the same Medicare primary specialty in Gardena, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891182374 |
| 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