CLAYTON ROBERT WALKER (MD) – Sports Medicine (Physical Medicine & Rehabilitation) Physician, NPI 1386104933
Sports Medicine (Physical Medicine & Rehabilitation) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
878 PHYSICAL MEDICINE AND REHABILITATION in PA
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Provider Addresses for CLAYTON ROBERT WALKER (MD)
3913, James Avenue Southwest, Johnson County, Iowa, 52246, United States
IOWA CITY, IA 522468515
Phone: (319) 541-5864
Type: Mailing
Hospital of the University of Pennsylvania, 3400, Spruce Street, University City, Philadelphia, Philadelphia County, Pennsylvania, 19104, United States
PHILADELPHIA, PA 191044238
Phone: (800) 789-7366
Type: Location
2301 STEINDLER WAY STE B
NORTH LIBERTY, IA 523177907
Phone: (319) 338-3606
Fax: (319) 338-0522
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 9 Open Payments records for all available years, with a total value of $1,086.
Total Amount is formed as General ($1,086) + Research ($0) + Ownership ($0) = $1,086.
Last reported payment date: 2024-08-18 • Largest payer in this snapshot: Pacira Pharmaceuticals Incorporated ($1,040).
Total Amount
$1,086
General + Research + Ownership
Payments
9
Total payment records
General Amount
$1,086
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Pacira Pharmaceuticals Incorporated | $1,040 |
| Evolution Surgical, Inc | $46 |
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: 2024-09-26
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 |
|---|---|---|---|---|
| I20240926002391 | I | Physical Medicine And Rehabilitation | IA | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 52246)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | IA | |
| Physician Assistant | IA | |
| P O D I A T R Y | IA | |
| Orthopedic Surgery, Sports Medicine | IA | |
| Physical Therapist In Private Practice | IA | |
| Pain Management, Physical Medicine And Rehabilitation | IA | |
| N E U R O L O G Y | IA | |
| Hand Surgery, Orthopedic Surgery | IA | |
| Physician Assistant | IA | |
| Orthopedic Surgery | IA |
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