WILLIAM L BARRETT (MD) – Radiation Oncology Physician, NPI 1124010228
Radiation Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
321 RADIATION ONCOLOGY in OH
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Provider Addresses for WILLIAM L BARRETT (MD)
PO BOX 636256 CENTRAL CREDENTIALING
CINCINNATI, OH 452636256
Phone: (513) 245-3107
Fax: (513) 585-5511
Type: Mailing
University of Cincinnati Medical Center, 234, Goodman Street, Pill Hill, Corryville, Cincinnati, Hamilton County, Ohio, 45219-2364, United States
CINCINNATI, OH 452192364
Phone: (513) 584-3494
Fax: (513) 584-4007
Type: Location
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 $41.
Total Amount is formed as General ($41) + Research ($0) + Ownership ($0) = $41.
Last reported payment date: 2024-11-04 • Largest payer in this snapshot: Kyowa Kirin, Inc. ($24).
Total Amount
$41
General + Research + Ownership
Payments
2
Total payment records
General Amount
$41
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-04
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Kyowa Kirin, Inc. | $24 |
| Tempus AI, Inc | $17 |
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: 2009-06-26
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 |
|---|---|---|---|---|
| I20090626000097 | I | Radiation Oncology | OH | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 353 | 229 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 135 | 104 | $0 |
| 77300 | Calculation of radiation therapy dose | 87 | 30 | $0 |
| 77427 | Radiation treatment management, 5 treatment sessions | 78 | 21 | $0 |
| 77334 | Design and construction of complex radiation treatment device | 61 | 24 | $0 |
Insurance plans in this area (ZIP 45263)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| RADIATION ONCOLOGY | OH | 77427 | Radiation treatment management, 5 treatments | 131 | 32 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | OH | |
| Radiation Oncology | OH | |
| Certified Registered Nurse Anesthetist (Crna) | OH | |
| - | OH | |
| N E U R O L O G Y | OH | |
| - | OH | |
| - | OH | |
| - | OH | |
| - | OH | |
| Family Practice | OH |
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