Gregory T. Ginsburg, M.D.
NPI 1124021654ActiveIndividual· Surgery· Torrance, CA
Surgery (M.D.) in Torrance, California, trained at University of California, Geffen School of Medicine (class of 1991). Mostly services rather than prescriptions: Medicare paid $89,285 for 136 patients in 2024, with only 13 Part D claims. Pfizer Inc. was the largest of 5 companies reporting payments in 2025, $274.14 in all, mostly food and beverage.
Overview
| NPI | 1124021654 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 30, 2005 |
| Last updated in NPPES | Jan 26, 2023 |
| Certified by provider | Jan 26, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | G74789 | CA |
| Registered Nurse, Wound Care | 163WW0000X | G74789 | CA |
| Surgery, Surgical Oncology | 2086X0206X | G74789 | CA |
| Colon & Rectal Surgery | 208C00000X | G74789 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - General Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 136 |
|---|---|
| Services billed | 313 across 39 procedure codes |
| Paid by Medicare | $89,285 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13 · 13 30-day fills |
|---|---|
| Patients | 12 |
| Total drug cost | $64.11 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | General Surgery |
Hospital affiliations
- Memorial Hospital of GardenaGardena, CA
- Memorialcare Long Beach Medical CenterLong Beach, CA
Other facilities
- Kindred Hospital ParamountLong-term care hospital · Paramount, CA
- Kindred Hospital South BayLong-term care hospital · Gardena, CA
Industry payments (Open Payments)
- 2025$274.14 · 6 payments from 5 companies
- 2024$458.20 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $113.20 | 1 |
| Astrazeneca Pharmaceuticals LP | $85.74 | 1 |
| Smith+nephew, Inc. | $36.23 | 2 |
| Linvatec Corporation | $22.45 | 1 |
| Urgo Medical North America, LLC | $16.52 | 1 |
What the 2025 payments were for
- Food and Beverage$274.14 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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