DR. ROBERT B PATTERSON (MD) – Vascular Surgery Physician, NPI 1124101258
Vascular Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for DR. ROBERT B PATTERSON (MD)
486, Silver Spring Street, Providence, Providence County, Rhode Island, 02904, United States
PROVIDENCE, RI 029041556
Phone: (401) 454-0690
Fax: (401) 454-4281
Mailing address matches the actual address.
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: 2005-03-21
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 |
|---|---|---|---|---|
| I20050321000265 | I | Vascular Surgery | RI | 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 | 197 | 160 | $0 |
| 93880 | Ultrasound of both sides of head and neck blood flow | 136 | 119 | $0 |
| 93922 | Ultrasound study of arm and leg arteries | 118 | 99 | $0 |
| 93925 | Ultrasound of leg arteries or artery grafts | 112 | 94 | $0 |
| 93978 | Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts | 94 | 74 | $0 |
Insurance plans in this area (ZIP 02904)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| VASCULAR SURGERY | RI | 93922 | Ultrasound study of arteries of both arms and legs | 197 | 165 |
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