William Joseph Maloney
NPI 1255487500ActiveIndividual· Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery· Stanford, CA
Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery in Stanford, California, trained at Columbia University College of Physicians and Surgeons (class of 1983). Medicare paid $104,878 for services to 246 patients in 2024. Stryker Corporation was the largest of 3 companies reporting payments in 2025, $1,622,217 in all, mostly royalties and licenses.
Overview
| NPI | 1255487500 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Jan 26, 2007 |
| Last updated in NPPES | Apr 28, 2024 |
| Certified by provider | Apr 28, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery Primary | 207XS0114X | G52619 | CA |
| Orthopaedic Surgery | 207X00000X | G52619 | 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 - Orthopedic Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 246 |
|---|---|
| Services billed | 360 across 23 procedure codes |
| Paid by Medicare | $104,878 |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Orthopedic Surgery |
| Telehealth | Offers telehealth |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliation
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2025$1,622,217 · 96 payments from 3 companies
- 2024$1,500,627 · 66 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $1,621,887 | 94 |
| Onkos Surgical, Inc. | $177.32 | 1 |
| Davol Inc. | $152.28 | 1 |
What the 2025 payments were for
- Royalty or License$1,567,372 · 4 payments
- Travel and Lodging$43,806 · 57 payments
- Consulting Fee$8,500 · 1 payment
- Food and Beverage$2,538 · 34 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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