DR. WILLIAM E JR. KNUDSON (DPM) – Foot & Ankle Surgery Podiatrist, NPI 1083608814
Foot & Ankle Surgery Podiatrist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
433 PODIATRY in VA
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Provider Addresses for DR. WILLIAM E JR. KNUDSON (DPM)
Leesburg-Sterling Family Practice, 224D, Cornwall Street Northwest, Leesburg, Loudoun County, Virginia, 20176, United States
SUITE 203
LEESBURG, VA 201762700
Phone: (703) 777-5830
Fax: (703) 777-5155
Type: Location
224D CORNWALL ST NW STE 102
LEESBURG, VA 201762700
Phone: (703) 777-5830
Fax: (703) 777-5155
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 46 Open Payments records for all available years, with a total value of $850.
Total Amount is formed as General ($850) + Research ($0) + Ownership ($0) = $850.
Last reported payment date: 2024-12-30 • Largest payer in this snapshot: ANI Pharmaceuticals, Inc. ($199).
Total Amount
$850
General + Research + Ownership
Payments
46
Total payment records
General Amount
$850
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-30
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ANI Pharmaceuticals, Inc. | $199 |
| Smith+Nephew, Inc. | $159 |
| Organogenesis Inc. | $145 |
| Kowa Pharmaceuticals America, Inc. | $64 |
| Averitas Pharma Inc. | $58 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2012-01-03
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20120103000212 | I | Podiatry | VA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 11721 | Removal of fingernails or toenails, 6 or more nails | 1,561 | 440 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 977 | 464 | $0 |
| 11056 | Removal of noncancer thickened skin growth, 2-4 growths | 363 | 98 | $0 |
| 73630 | X-ray of foot, minimum of 3 views | 266 | 188 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 211 | 211 | $0 |
Insurance plans in this area (ZIP 20176)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PODIATRY | VA | 11720 | Removal of tissue from 1 to 5 finger or toe nails | 210 | 100 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| P O D I A T R Y | NC | |
| P O D I A T R Y | MD | |
| P O D I A T R Y | MD | |
| P O D I A T R Y | MD | |
| - | PA | |
| P O D I A T R Y | OH | |
| P O D I A T R Y | VA | |
| P O D I A T R Y | NC | |
| P O D I A T R Y | VA | |
| P O D I A T R Y | PA |
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