William E. Knudson Jr., DPM
NPI 1083608814ActiveIndividual· Podiatrist, Foot & Ankle Surgery· Leesburg, VA
Podiatrist, Foot & Ankle Surgery (DPM) in Leesburg, Virginia, trained at College of Podiatric Med and Surgery, Des Moines University (class of 1995). 940 Medicare patients in 2024, $282,792 paid; nearly all of their 553 Part D prescriptions were generic (98%). Ani Pharmaceuticals, Inc. was the largest of 7 companies reporting payments in 2025, $325.65 in all, mostly food and beverage.
Overview
| NPI | 1083608814 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DPM |
| Sole proprietor | No |
| NPI issued | Sep 8, 2005 |
| Last updated in NPPES | Nov 1, 2021 |
| Certified by provider | Nov 1, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Podiatrist, Foot & Ankle Surgery Primary | 213ES0103X | 0103301049 | VA |
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 - Podiatry (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 940 |
|---|---|
| Services billed | 10,531 across 52 procedure codes |
| Paid by Medicare | $282,792 |
Part D prescriptions in 2024
| Prescriptions (claims) | 553 · 777 30-day fills |
|---|---|
| Patients | 218 |
| Total drug cost | $7,805 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | College of Podiatric Med and Surgery, Des Moines University |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Podiatry |
Medical group
- Foot and Ankle Specialists of the Mid-Atlantic LLCWake Forest, NC · 159 clinicians
Hospital affiliation
- Inova Loudoun HospitalLeesburg, VA
Industry payments (Open Payments)
- 2025$325.65 · 17 payments from 7 companies
- 2024$579.76 · 33 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ani Pharmaceuticals, Inc. | $165.34 | 9 |
| Averitas Pharma Inc. | $56.34 | 2 |
| Amgen Inc. | $32.77 | 2 |
| Linvatec Corporation | $25.10 | 1 |
| Depuy Synthes Sales Inc. | $16.64 | 1 |
What the 2025 payments were for
- Food and Beverage$325.65 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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