DR. WILLIAM S RILLING (MD) – Vascular & Interventional Radiology Physician, NPI 1437102175
Vascular & Interventional Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
164 INTERVENTIONAL RADIOLOGY in WI
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Provider Addresses for DR. WILLIAM S RILLING (MD)
Froedtert Hospital, 9200, West Wisconsin Avenue, Cannon Park, Wauwatosa, Milwaukee County, Wisconsin, 53226, United States
DEPARTMENT OF RADIOLOGY
MILWAUKEE, WI 532263522
Phone: (414) 805-3700
Fax: (414) 805-3777
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)
CMS reports 87 Open Payments records for all available years, with a total value of $44,738.
Total Amount is formed as General ($44,738) + Research ($0) + Ownership ($0) = $44,738.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: Eisai Inc. ($13,546).
Total Amount
$44,738
General + Research + Ownership
Payments
87
Total payment records
General Amount
$44,738
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Eisai Inc. | $13,546 |
| Boston Scientific Corporation | $12,313 |
| GUERBET LLC | $10,150 |
| Siemens Medical Solutions USA, Inc. | $2,860 |
| Bard Peripheral Vascular, Inc. | $2,294 |
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: 2006-02-28
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 |
|---|---|---|---|---|
| I20060228000340 | I | Interventional 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 |
|---|---|---|---|---|
| 99152 | Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 43 | 37 | $0 |
| 76937 | Ultrasonic guidance for blood vessel access | 38 | 36 | $0 |
| 75726 | Review by radiologist of abdominal artery image | 31 | 18 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 27 | 21 | $0 |
| 36247 | Insertion of tube into abdominal, pelvic, or leg artery, initial third order branch | 27 | 17 | $0 |
Insurance plans in this area (ZIP 53226)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | WI | |
| - | WI | |
| Diagnostic Radiology | WI | |
| Family Practice, Emergency Medicine | WI | |
| P S Y C H I A T R Y | WI | |
| Internal Medicine | WI | |
| - | WI | |
| - | WI | |
| Physical Therapist In Private Practice | WI | |
| - | WI |
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