PATRICK W. O'BRIEN (PA-C) – Surgical Physician Assistant, NPI 1134577141
Surgical Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,093 PHYSICIAN ASSISTANT in MA
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Provider Addresses for PATRICK W. O'BRIEN (PA-C)
747, Amostown Road, Amostown, West Springfield, Hampden County, Massachusetts, 01089, United States
WEST SPRINGFIELD, MA 010894302
Phone: (413) 222-4093
Type: Mailing
271 CAREW ST
SPRINGFIELD, MA 011042377
Phone: (413) 452-6251
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $162.
Total Amount is formed as General ($162) + Research ($0) + Ownership ($0) = $162.
Last reported payment date: 2024-08-02 • Largest payer in this snapshot: Medical Device Business Services, Inc. ($98).
Total Amount
$162
General + Research + Ownership
Payments
4
Total payment records
General Amount
$162
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-02
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medical Device Business Services, Inc. | $98 |
| Smith+Nephew, Inc. | $48 |
| ConvaTec Inc. | $16 |
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: 2019-07-10
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20161205002364 | I | Physician Assistant | CT | TBD |
| I20190710003124 | I | Physician Assistant | 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 |
|---|---|---|---|---|
| 27447 | Replacement of knee joint, both sides of knee | 16 | 15 | $0 |
Insurance plans in this area (ZIP 01089)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | MA | |
| - | VA | |
| Physician Assistant | CT | |
| Orthopedic Surgery | MA | |
| Physician Assistant | MA | |
| Orthopedic Surgery | MA | |
| Orthopedic Surgery | MA | |
| Orthopedic Surgery | RI |
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