KARIN A O'BRIEN (APRN) – Psychiatric/Mental Health Nurse Practitioner, NPI 1710909932
Psychiatric/Mental Health Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
199 CERTIFIED CLINICAL NURSE SPECIALIST (CNS) in MA
Provider Addresses for KARIN A O'BRIEN (APRN)
10 LANGLEY RD SUITE # 300
NEWTON, MA 024591972
Phone: (800) 370-3651
Fax: (877) 515-7147
Type: Mailing
10 LANGLEY RD SUITE 300
NEWTON, MA 024591972
Phone: (800) 370-3651
Fax: (877) 515-7147
Type: Location
809 COUNTY ROAD 466
SUITE 101-C
LADY LAKE, FL 321594205
Phone: (352) 530-2256
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: 2004-02-04
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 |
|---|---|---|---|---|
| I20040204000592 | I | Certified Clinical Nurse Specialist (Cns) | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 144 | 37 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 37 | 37 | $0 |
| 90833 | Psychotherapy with evaluation and management visit, 30 minutes | 23 | 18 | $0 |
Insurance plans in this area (ZIP 02459)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MA | |
| Clinical Psychologist | MA | |
| - | MA | |
| Clinical Social Worker | MA | |
| Clinical Social Worker | MA | |
| - | MA | |
| - | MA | |
| Clinical Psychologist | VA | |
| - | MA | |
| Clinical Social Worker | MA |
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