WILLIAM S MARSH III, DO, PA – Physical Medicine & Rehabilitation Physician, NPI 1063440014
Physical Medicine & Rehabilitation Physician
Main info
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for WILLIAM S MARSH III, DO, PA
PO BOX 938
KILLEEN, TX 765400938
Phone: (254) 634-6999
Fax: (254) 200-4099
Type: Mailing
South Clear Creek Road, Killeen, Bell County, Texas, 76549, United States
STE 103
KILLEEN, TX 765494984
Phone: (254) 519-1900
Fax: (254) 519-1980
Type: Location
PO BOX 11748
KILLEEN, TX 765471748
Phone: (254) 519-1900
Fax: (254) 519-1980
Type: Mailing
5320 E CENTRAL TEXAS EXPY STE 105
KILLEEN, TX 765435516
Phone: (254) 519-1900
Fax: (254) 519-1980
Type: Location
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: 2004-05-04
PECOS data refreshed: 2026-06-15
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-09-30 (990 days ago).
Enrollment records
1
Earliest due date
2023-09-30
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 |
|---|---|---|---|---|
| O20040504001569 | O | Clinic/Group Practice | TX | 2023-09-30 |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
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 76540)
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