ROBERT J O'BRIEN – Dermatology Physician, NPI 1568566420
Dermatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
744 DERMATOLOGY in MA
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Provider Addresses for ROBERT J O'BRIEN
63, Swan Road, Winchester, Middlesex County, Massachusetts, 01890, United States
WINCHESTER, MA 018903719
Phone: (781) 729-4878
Type: Mailing
955 Main St, Main Street, Winchester, Middlesex County, Massachusetts, 01890, United States
SUITE G-6
WINCHESTER, MA 018901961
Phone: (781) 729-4878
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 104 Open Payments records for all available years, with a total value of $2,643.
Total Amount is formed as General ($2,643) + Research ($0) + Ownership ($0) = $2,643.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: GENZYME CORPORATION ($523).
Total Amount
$2,643
General + Research + Ownership
Payments
104
Total payment records
General Amount
$2,643
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GENZYME CORPORATION | $523 |
| Janssen Biotech, Inc. | $429 |
| Amgen Inc. | $385 |
| Novartis Pharmaceuticals Corporation | $296 |
| E.R. Squibb & Sons, L.L.C. | $173 |
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: 2004-03-15
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 |
|---|---|---|---|---|
| I20040315000940 | I | Dermatology | 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 |
|---|---|---|---|---|
| 17003 | Destruction of precancer skin growth, 2-14 growths | 7,631 | 1,315 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 3,376 | 2,543 | $0 |
| 17000 | Destruction of precancer skin growth, 1 growth | 2,306 | 1,756 | $0 |
| 11102 | Biopsy of related skin growth, first growth | 1,275 | 1,129 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 678 | 541 | $0 |
Insurance plans in this area (ZIP 01890)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DERMATOLOGY | MA | 17003 | Destruction of 2-14 skin growths | 1785 | 390 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| D E R M A T O L O G Y | MA | |
| Physician Assistant | MA | |
| Physician Assistant | MA | |
| Physician Assistant | MA | |
| Physician Assistant | MA | |
| Physician Assistant | MA | |
| Nurse Practitioner | MA | |
| Nurse Practitioner | MA | |
| Nurse Practitioner | MA | |
| Physician Assistant | MA |
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