DOUGLAS B ONEILL (MD) – Internal Medicine Physician, NPI 1003893082
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
7,722 INTERNAL MEDICINE in MA
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Provider Addresses for DOUGLAS B ONEILL (MD)
Williamstown Medical Associates, 197, Adams Road, Meadowvale, Williamstown, Berkshire County, Massachusetts, 01267, United States
WILLIAMSTOWN, MA 012672930
Phone: (413) 458-8182
Fax: (413) 458-3140
Type: Mailing
Berkshire Health North, 71, Hospital Avenue, North Adams, Berkshire County, Massachusetts, 01247, United States
NORTH ADAMS, MA 01247
Phone: (413) 664-5710
Fax: (413) 664-5773
Type: Location
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: 2008-05-01
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 |
|---|---|---|---|---|
| I20080501000479 | I | Internal Medicine | MA | 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 |
|---|---|---|---|---|
| 77080 | Dxa bone density measurement of hip, pelvis, spine | 204 | 204 | $0 |
Insurance plans in this area (ZIP 01267)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MA | |
| Physician Assistant | MA | |
| Nurse Practitioner | MA | |
| - | MA | |
| Otolaryngology, Plastic And Reconstructive Surgery | TX | |
| Nurse Practitioner | MA | |
| - | MA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MA | |
| - | MA | |
| Cardiovascular Disease (Cardiology), Cardiac Electrophysiology, Cardiovascular Disease (Cardiology) | PA |
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