DR. WILLIAM L CLARK (M.D.) – Orthopaedic Surgery Physician, NPI 1841293511
Orthopaedic Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
779 ORTHOPEDIC SURGERY in WA
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Provider Addresses for DR. WILLIAM L CLARK (M.D.)
Three Tree Medical Arts Building, 16259, Sylvester Road Southwest, Five Corners, Burien, King County, Washington, 98166, United States of America
STE 501
BURIEN, WA 981663059
Phone: (206) 243-1100
Fax: (206) 431-0835
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2008-02-14
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 |
|---|---|---|---|---|
| I20080214000342 | I | Orthopedic Surgery | WA | 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 |
|---|---|---|---|---|
| J3301 | Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 237 | 54 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 84 | 61 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 66 | 59 | $0 |
| 73110 | X-ray of wrist, minimum of 3 views | 50 | 30 | $0 |
| 20610 | Aspiration and/or injection of fluid from large joint | 28 | 19 | $0 |
Insurance plans in this area (ZIP 98166)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | WA | |
| Orthopedic Surgery, Hand Surgery | WA | |
| Occupational Therapist In Private Practice | WA | |
| - | WA | |
| Orthopedic Surgery, Sports Medicine | WA | |
| - | WA | |
| - | WA | |
| Physician Assistant | WA | |
| Nurse Practitioner | WA | |
| Nurse Practitioner | WA |
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