PAUL R. O'BRIEN (EDD) – Psychologist, NPI 1215978895
Psychologist
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
1,694 CLINICAL PSYCHOLOGIST in MA
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Provider Addresses for PAUL R. O'BRIEN (EDD)
26 CITY HALL MALL
MEDFORD, MA 021554754
Phone: (781) 306-5100
Type: Mailing
Harvard Vanguard, 147, Milk Street, Dock Square, Financial District, Boston, Suffolk County, Massachusetts, 02110, United States
PROVIDER ENROLLMENT 9TH FLOOR
BOSTON, MA 021094806
Phone: (617) 559-8051
Type: Mailing
Harvard Vanguard Medical Associates, Chelmsford, 228, Billerica Road, Chelmsford, Middlesex County, Massachusetts, 01824, United States
CHELMSFORD, MA 018243604
Phone: (978) 250-6240
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.
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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: 2010-10-05
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 |
|---|---|---|---|---|
| I20101005000653 | I | Clinical Psychologist | 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 |
|---|---|---|---|---|
| 90791 | Psychiatric diagnostic evaluation | 27 | 26 | $0 |
| 90834 | Psychotherapy, 45 minutes | 22 | 11 | $0 |
Insurance plans in this area (ZIP 02155)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PSYCHOLOGIST, CLINICAL | MA | 90853 | Group psychotherapy | 202 | 18 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Nurse Midwife (Cnm) | ME | |
| Family Practice, Addiction Medicine | MA | |
| - | MA | |
| Nurse Practitioner | MA | |
| - | MA | |
| Physician Assistant | NC | |
| Family Practice | MA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MA | |
| Nurse Practitioner | MA | |
| Family Practice | MA |
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