DR. WILLIAM P O'MEARA (M.D.) – Radiation Oncology Physician, NPI 1598886897
Radiation Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
255 RADIATION ONCOLOGY in MA
Provider Addresses for DR. WILLIAM P O'MEARA (M.D.)
1 Essex Center Dr
Peabody, MA 019602901
Phone: (978) 538-4120
Fax: (978) 538-4702
Type: Location
11 STARR AVE E
ANDOVER, MA 018104286
Phone: (781) 510-2273
Type: Mailing
295 VARNUM AVE
LOWELL, MA 018542134
Phone: (978) 937-6274
Fax: (978) 934-8490
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
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: 2012-08-24
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 |
|---|---|---|---|---|
| I20120315000757 | I | Radiation Oncology | MA | TBD |
| I20120824000636 | I | Radiation Oncology | NH | 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 | 806 | 72 | $0 |
| G6002 | Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | 323 | 52 | $0 |
| 77427 | Radiation treatment management, 5 treatment sessions | 244 | 79 | $0 |
| 77300 | Calculation of radiation therapy dose | 236 | 79 | $0 |
| 77334 | Design and construction of complex radiation treatment device | 220 | 75 | $0 |
Insurance plans in this area (ZIP 01960)
Loading plans...
Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| RADIATION ONCOLOGY | MA | 77300 | Calculation of radiation therapy dose | 343 | 78 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Radiation Oncology | NH | |
| Radiation Oncology | MN | |
| Radiation Oncology | MA | |
| Radiation Oncology | MO | |
| Radiation Oncology | NH | |
| Radiation Oncology | DC | |
| Radiation Oncology | NH | |
| Radiation Oncology | NH | |
| Radiation Oncology | NH | |
| Radiation Oncology | MA |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.