DR. ROBERT JOSEPH LESNIAK (M.D.) – Vascular & Interventional Radiology Physician, NPI 1407841018
Vascular & Interventional Radiology Physician
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Profile Insights
NPPES metrics only — not quality of care.
1,102 DIAGNOSTIC RADIOLOGY in WI
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Provider Addresses for DR. ROBERT JOSEPH LESNIAK (M.D.)
Waukesha Memorial Hospital, 725, American Avenue, Waukesha, Waukesha County, Wisconsin, 53188, United States
WAUKESHA, WI 531885031
Phone: (262) 928-2400
Fax: (262) 928-7621
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)
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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: 2004-10-13
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20041013000707 | I | Diagnostic Radiology | WI | 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 |
|---|---|---|---|---|
| 71045 | X-ray of chest, 1 view | 452 | 415 | $0 |
| 71046 | X-ray of chest, 2 views | 219 | 174 | $0 |
| 70450 | Ct scan head or brain without contrast | 159 | 154 | $0 |
| 74177 | Ct scan of abdomen and pelvis with contrast | 137 | 131 | $0 |
| 71250 | Ct scan of chest without contrast | 65 | 64 | $0 |
Insurance plans in this area (ZIP 53188)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | WI | 71250 | CT scan chest | 56 | 54 |
| DIAGNOSTIC RADIOLOGY | WI | 73630 | X-ray of foot, minimum of 3 views | 16 | 15 |
| DIAGNOSTIC RADIOLOGY | WI | 74177 | CT scan of abdomen and pelvis with contrast | 94 | 93 |
| DIAGNOSTIC RADIOLOGY | WI | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 38 | 37 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | WI | |
| - | WI | |
| Radiation Oncology | WI | |
| Clinical Psychologist | WI | |
| Cardiovascular Disease (Cardiology), Internal Medicine | NY | |
| Nurse Practitioner | WI | |
| - | WI | |
| Physician Assistant | WI | |
| Nurse Practitioner | WI | |
| Physician Assistant | WI |
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