DR. WILLIAM A ASSAD (MD) – Radiation Oncology Physician, NPI 1043202245
Radiation Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
321 RADIATION ONCOLOGY in OH
Provider Addresses for DR. WILLIAM A ASSAD (MD)
524 W High St
Bryan, OH 435061618
Phone: (419) 636-9800
Fax: (419) 636-0451
Type: Location
601, South Armenia Avenue, Hyde Park, Tampa, Hillsborough County, Florida, 33609, United States
TAMPA, FL 336094123
Phone: (813) 353-8803
Fax: (813) 353-8602
Type: Location
AMC Highwoods 20, 18002, Highwoods Preserve Parkway, Tampa, Hillsborough County, Florida, 33647, United States
TAMPA, FL 336798002
Phone: (813) 353-8803
Fax: (813) 353-8602
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $30.
Total Amount is formed as General ($30) + Research ($0) + Ownership ($0) = $30.
Last reported payment date: 2023-12-21 • Largest payer in this snapshot: Boston Scientific Corporation ($30).
Total Amount
$30
General + Research + Ownership
Payments
2
Total payment records
General Amount
$30
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-12-21
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Boston Scientific Corporation | $30 |
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: 2005-08-09
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 |
|---|---|---|---|---|
| I20050809000920 | I | Radiation Oncology | FL | 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 43506)
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