Maduwilla Gamarachch Amila Nirmal Silva, MD
NPI 1346872579ActiveIndividual· Orthopaedic Surgery, Foot and Ankle Surgery· Seattle, WA
Orthopaedic Surgery, Foot and Ankle Surgery (MD) with Dhhs,phs,naihs, Gallup Indian Medical Center, practicing in Seattle, Washington. Mostly services rather than prescriptions: Medicare paid $20,919 for 92 patients in 2024, with only 24 Part D claims. Stryker Corporation was the largest of 5 companies reporting payments in 2025, $1,107 in all, mostly travel and lodging.
Overview
| NPI | 1346872579 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 5, 2020 |
| Last updated in NPPES | Mar 1, 2022 |
| Certified by provider | Mar 1, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Foot and Ankle Surgery Primary | 207XX0004X | TR61031278 | WA |
| Orthopaedic Surgery | 207X00000X | TR61031278 | WA |
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 - Orthopedic Surgery (TX); Practitioner - Orthopedic Surgery (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 92 |
|---|---|
| Services billed | 178 across 35 procedure codes |
| Paid by Medicare | $20,919 |
Part D prescriptions in 2024
| Prescriptions (claims) | 24 · 24 30-day fills |
|---|---|
| Patients | 13 |
| Total drug cost | $351.01 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Orthopedic Surgery |
Medical group
- Dhhs,phs,naihs, Gallup Indian Medical CenterGallup, NM · 186 clinicians
Industry payments (Open Payments)
- 2025$1,107 · 11 payments from 5 companies
- 2024$2,110 · 22 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $683.51 | 3 |
| Smith+nephew, Inc. | $288.73 | 4 |
| Legacy Ortho LLC | $63.65 | 2 |
| Orthalign Inc | $52.44 | 1 |
| Sanara Medtech Inc. | $18.77 | 1 |
What the 2025 payments were for
- Travel and Lodging$659.52 · 1 payment
- Food and Beverage$447.58 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 20 Orthopaedic Surgery, Foot and Ankle Surgery providers in Seattle · All Orthopaedic Surgery, Foot and Ankle Surgery providers in Washington