Walid S. Arnaout, M.D.
NPI 1023072816ActiveIndividual· Surgery· Northridge, CA
Surgery (M.D.) with Acute Care Surgery Medical Group Inc and 1 other group, practicing in Northridge, California. 323 Medicare patients in 2024, $88,180 paid; all of their 160 Part D prescriptions were generic. Integra Lifesciences Corporation was the largest of 2 companies reporting payments in 2025, $168.05 in all, mostly food and beverage. Lists Los Robles Hospital & Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1023072816 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 17, 2006 |
| Last updated in NPPES | Oct 10, 2023 |
| Certified by provider | Oct 10, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | A53180 | CA |
| Surgery, Trauma Surgery | 2086S0127X | A53180 | 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 | 323 |
|---|---|
| Services billed | 660 across 74 procedure codes |
| Paid by Medicare | $88,180 |
Part D prescriptions in 2024
| Prescriptions (claims) | 160 · 162 30-day fills |
|---|---|
| Patients | 90 |
| Total drug cost | $737.63 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | General Surgery |
| Telehealth | Offers telehealth |
Medical groups
- Acute Care Surgery Medical Group IncTwin Falls, ID · 204 clinicians
- Northridge Trauma Surgeons Inc A Medical CorporationNorthridge, CA · 13 clinicians
Hospital affiliations
- Los Robles Hospital & Medical CenterThousand Oaks, CA
- Northridge Hospital Medical CenterNorthridge, CA
Industry payments (Open Payments)
- 2025$168.05 · 2 payments from 2 companies
- 2024$3,920 · 12 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Integra Lifesciences Corporation | $102.19 | 1 |
| Intuitive Surgical, Inc. | $65.86 | 1 |
What the 2025 payments were for
- Food and Beverage$168.05 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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