CAROLYN M O'BRIEN (N.P) – Adult Health Nurse Practitioner, NPI 1104815539
Adult Health Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,971 NURSE PRACTITIONER in MA
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Provider Addresses for CAROLYN M O'BRIEN (N.P)
PO BOX 383
FRANKLIN, MA 020380383
Phone: (508) 530-3140
Fax: (508) 530-3142
Type: Mailing
31, Daniels Street, Franklin, Norfolk County, Massachusetts, 02038, United States
FRANKLIN, MA 020381103
Phone: (508) 530-3140
Fax: (508) 538-3142
Type: Location
100 Commerce Dr
Northbridge, MA 015341415
Phone: (508) 234-6311
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: 2006-01-06
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 |
|---|---|---|---|---|
| I20060106000179 | I | Nurse Practitioner | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 78 | 67 | $0 |
| 99350 | Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes | 38 | 20 | $0 |
Insurance plans in this area (ZIP 02038)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MA | |
| Physician Assistant | MA | |
| Orthopedic Surgery | MA | |
| - | MA | |
| - | MA | |
| Nurse Practitioner | MA | |
| Cardiovascular Disease (Cardiology) | MA | |
| Nurse Practitioner | MA | |
| - | MA | |
| - | MA |
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