Sami B. Hamamji, M.D.
NPI 1457425282ActiveIndividual· Surgery· Orange, CA
Surgery (M.D.) with Orange Surgical Associates, practicing in Orange, California. 196 Medicare patients in 2024, $80,615 paid; nearly all of their 264 Part D prescriptions were generic (99%). Intuitive Surgical, Inc. reported $160.88 in payments in 2025, mostly food and beverage. Lists Providence St. Joseph Hospital as a hospital affiliation.
Overview
| NPI | 1457425282 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Nov 20, 2006 |
| Last updated in NPPES | Mar 30, 2023 |
| Certified by provider | Mar 30, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | A49367 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 196 |
|---|---|
| Services billed | 398 across 45 procedure codes |
| Paid by Medicare | $80,615 |
Part D prescriptions in 2024
| Prescriptions (claims) | 264 · 276 30-day fills |
|---|---|
| Patients | 166 |
| Total drug cost | $1,848 |
| Generic share | 99% of claims |
Education and affiliations
| Graduation year | 1980 |
|---|---|
| Medicare specialty | General Surgery |
Medical group
- Orange Surgical AssociatesOrange, CA · 7 clinicians
Hospital affiliation
- Providence St. Joseph HospitalOrange, CA
Industry payments (Open Payments)
- 2025$160.88 · 6 payments from 1 company
- 2024$358.64 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $160.88 | 6 |
What the 2025 payments were for
- Food and Beverage$160.88 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Surgery providers in Orange
- 1780960567
- 1609087014
- 1124689989
- 1124462502
- 1063113454
- 1073009171
- 1205838257
- 1831309772
- 1326327933
- 1225201015
- 1255660536
- 1023837069