WILLIAM FITZGERALD DEMAS (M.D., F.A.C.R.) – Radiation Oncology Physician, NPI 1033100334
Radiation Oncology Physician
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Profile Insights
NPPES metrics only — not quality of care.
321 RADIATION ONCOLOGY in OH
Provider Addresses for WILLIAM FITZGERALD DEMAS (M.D., F.A.C.R.)
524 W High St
Bryan, OH 435061618
Phone: (419) 636-9800
Fax: (419) 636-0451
Type: Location
75, Arch Street, Arlington, Cascade Valley, Akron, Summit County, Ohio, 44304, United States
SUITE 410
AKRON, OH 443041429
Phone: (330) 376-0928
Fax: (330) 376-1302
Type: Mailing
Summa Health System – Akron Campus, 525, East Market Street, Arlington, Akron, Summit County, Ohio, 44304, United States
AKRON, OH 443041619
Phone: (330) 375-3557
Fax: (337) 376-1302
Type: Location
75 ARCH ST STE 410
AKRON, OH 443041433
Phone: (330) 376-0928
Fax: (330) 376-1302
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $54.
Total Amount is formed as General ($54) + Research ($0) + Ownership ($0) = $54.
Last reported payment date: 2024-10-14 • Largest payer in this snapshot: Bayer Healthcare Pharmaceuticals Inc. ($54).
Total Amount
$54
General + Research + Ownership
Payments
3
Total payment records
General Amount
$54
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-14
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $54 |
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: 2023-04-11
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20040209000387 | I | Radiation Oncology | OH | TBD |
| I20230411001792 | I | Radiation Oncology | NY | 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 |
|---|---|---|---|---|
| 77014 | Ct guidance for insertion of radiation therapy fields | 140 | 22 | $0 |
| 77427 | Radiation treatment management, 5 treatment sessions | 37 | 19 | $0 |
| 77334 | Design and construction of complex radiation treatment device | 29 | 15 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 29 | 20 | $0 |
| 77280 | Obtaining data needed to develop the optimal radiation treatment, 1 treatment area | 14 | 14 | $0 |
Insurance plans in this area (ZIP 43506)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IN | |
| Cardiovascular Disease (Cardiology), Cardiovascular Disease (Cardiology), Internal Medicine, Interventional Cardiology, Interventional Radiology | OH | |
| Qualified Audiologist | OH | |
| Gastroenterology, Internal Medicine | IN | |
| Nurse Practitioner | IN | |
| - | IN | |
| O T O L A R Y N G O L O G Y | IN | |
| Orthopedic Surgery | OH | |
| - | IN | |
| Family Practice | IN |
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