Quick answers
- Which hospitals does Gregory Ginsburg work at?
- Medicare's official clinician data lists Gregory Ginsburg at 2 hospitals: Memorial Hospital of Gardena and Memorialcare Long Beach Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory Ginsburg see patients?
- Medicare's clinician data lists 1 practice location in Torrance, CA. Call before your visit to confirm the address.
- What is Gregory Ginsburg's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Gregory Ginsburg accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory Ginsburg 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 Gregory Ginsburg?
- (310) 372-4500, as listed in official Medicare / NPI Registry data.
- What is Gregory Ginsburg's NPI number?
- 1124021654. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory Ginsburg works
Medicare's Facility Affiliation Data lists Gregory Ginsburg at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Memorial Hospital of GardenaGardena, CA · Acute Care Hospital · CCN 050468
- Memorialcare Long Beach Medical CenterLong Beach, CA · Acute Care Hospital · CCN 050485
Practice locations
Addresses where Gregory Ginsburg is enrolled with Medicare (CMS data updated 2026-10-02).
- 3531 Fashion Way, Suite 3Torrance, CA 90503 (310) 372‑4500
Specialties
- General Surgeryprimary
Other general surgeons in Torrance
Clinicians with the same Medicare primary specialty in Torrance, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Geffen School Of Medicine |
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1124021654 |
| 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