DR. WILLIAM BARRY CASEY (M.D.) – Radiation Oncology Physician, NPI 1811933047
Radiation Oncology Physician
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NPPES metrics only — not quality of care.
255 RADIATION ONCOLOGY in MA
Provider Addresses for DR. WILLIAM BARRY CASEY (M.D.)
1 Eaton Pl
Worcester, MA 016081232
Phone: (508) 363-7100
Fax: (508) 363-7170
Type: Location
736 Cambridge St
Brighton, MA 021352907
Phone: (617) 789-3000
Type: Location
235 N Pearl St
Brockton, MA 023011794
Phone: (508) 427-3000
Type: Location
506 Prospect Street
Fall River, MA 02720
Phone: (508) 973-7888
Fax: (508) 973-7934
Type: Location
Saint Vincent Cancer & Wellness Center, 1, Eaton Place, Central Business District, Theater District, Central Business District, Worcester, Worcester County, Massachusetts, 01608, United States
WORCESTER, MA 016081232
Phone: (508) 363-7100
Type: Mailing
4416 SUN N LAKE BLVD
SEBRING, FL 338722164
Phone: (863) 382-2049
Fax: (863) 382-2830
Type: Mailing
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: 2026-01-09
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 |
|---|---|---|---|---|
| I20110113001068 | I | Radiation Oncology | MA | TBD |
| I20260109001968 | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 77014 | Ct guidance for insertion of radiation therapy fields | 323 | 71 | $0 |
| G6002 | Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | 183 | 37 | $0 |
| 77427 | Radiation treatment management, 5 treatment sessions | 91 | 72 | $0 |
| 77280 | Obtaining data needed to develop the optimal radiation treatment, 1 treatment area | 14 | 14 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 12 | 12 | $0 |
Insurance plans in this area (ZIP 01608)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| RADIATION ONCOLOGY | CO | 77263 | Management of radiation therapy, complex | 47 | 43 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| - | MA | |
| Emergency Medicine | NC |
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