William Campbell Wallace, M.D.
NPI 1528088960ActiveIndividual· Surgery· Laguna Hills, CA
Surgery (M.D.) in Laguna Hills, California, trained at University of Vermont College of Medicine (class of 1996). 226 Medicare patients in 2024, $124,916 paid; nearly all of their 135 Part D prescriptions were generic (96%). Abbvie Inc. reported $66.02 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1528088960 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 20, 2006 |
| Last updated in NPPES | Feb 9, 2026 |
| Certified by provider | Feb 9, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | A66100 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 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 | 226 |
|---|---|
| Services billed | 650 across 91 procedure codes |
| Paid by Medicare | $124,916 |
Part D prescriptions in 2024
| Prescriptions (claims) | 135 · 141 30-day fills |
|---|---|
| Patients | 94 |
| Total drug cost | $1,822 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | University of Vermont College of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | General Surgery |
| Secondary specialties | Vascular Surgery |
Medical group
- South Orange County Surgical Medical Group IncLaguna Hills, CA · 23 clinicians
Hospital affiliations
- Memorialcare Saddleback Medical CenterLaguna Hills, CA
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2025$66.02 · 3 payments from 1 company
- 2024$254.07 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $66.02 | 3 |
What the 2025 payments were for
- Food and Beverage$66.02 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 20 general surgeons in Laguna Hills · All general surgeons in California