William Duong, M.D.
NPI 1427402445ActiveIndividual· Surgery, Vascular Surgery· Loma Linda, CA
Surgery, Vascular Surgery (M.D.) in Loma Linda, California, trained at Medical College of Wisconsin (class of 2016). Mostly services rather than prescriptions: Medicare paid $22,194 for 71 patients in 2024, with only 29 Part D claims. Medtronic, Inc. was the largest of 14 companies reporting payments in 2025, $16,083 in all, mostly travel and lodging.
Overview
| NPI | 1427402445 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 15, 2016 |
| Last updated in NPPES | Sep 11, 2024 |
| Certified by provider | Sep 11, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Vascular Surgery Primary | 2086S0129X | A151071 | CA |
| Surgery | 208600000X | A151071 | 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 | 71 |
|---|---|
| Services billed | 190 across 60 procedure codes |
| Paid by Medicare | $22,194 |
Part D prescriptions in 2024
| Prescriptions (claims) | 29 · 30 30-day fills |
|---|---|
| Patients | 22 |
| Total drug cost | $1,408 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | General Surgery |
| Telehealth | Offers telehealth |
Medical group
- Faculty Physicians and Surgeons of LlusmLoma Linda, CA · 1,315 clinicians
Hospital affiliations
- Loma Linda University Medical CenterLoma Linda, CA
- Riverside University Health System-Medical CenterMoreno Valley, CA
Industry payments (Open Payments)
- 2025$16,083 · 60 payments from 14 companies
- 2024$3,561 · 28 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $14,542 | 27 |
| Integra Lifesciences Corporation | $487.06 | 8 |
| Boston Scientific Corporation | $403.00 | 7 |
| Acera Surgical, Inc. | $184.74 | 1 |
| W. L. Gore & Associates, Inc. | $86.91 | 3 |
What the 2025 payments were for
- Travel and Lodging$13,989 · 11 payments
- Food and Beverage$1,689 · 47 payments
- Long term medical supply or device loan$404.85 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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