CATHERINE BRECK HOLZNECHT (M.D.) – Diagnostic Radiology Physician, NPI 1689960023
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,101 DIAGNOSTIC RADIOLOGY in WI
Provider Addresses for CATHERINE BRECK HOLZNECHT (M.D.)
7974 UW HEALTH CT
MIDDLETON, WI 535625531
Phone:
Type: Mailing
UW HOSPITAL AND CLINICS
600 HIGHLAND AVE, H4/831
MADISON, WI 537920001
Phone: (608) 263-8340
Fax: (608) 263-0682
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $21.
Total Amount is formed as General ($21) + Research ($0) + Ownership ($0) = $21.
Last reported payment date: 2023-03-29 • Largest payer in this snapshot: Hologic Sales and Service, LLC ($21).
Total Amount
$21
General + Research + Ownership
Payments
1
Total payment records
General Amount
$21
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-03-29
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Hologic Sales and Service, LLC | $21 |
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: 2017-07-27
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20160526001387 | I | Diagnostic Radiology | WI | TBD |
| I20170531000738 | I | Diagnostic Radiology | IA | TBD |
| I20170727003754 | I | Diagnostic Radiology | IL | 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 | 113 | 60 | $0 |
| 77063 | Screening 3d breast mammography | 18 | 18 | $0 |
| 77067 | Screening mammography | 18 | 18 | $0 |
| 71046 | X-ray of chest, 2 views | 15 | 15 | $0 |
Insurance plans in this area (ZIP 53562)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IA | |
| Diagnostic Radiology | IA | |
| Diagnostic Radiology | TX | |
| - | IA | |
| Interventional Radiology, Diagnostic Radiology | IA | |
| Diagnostic Radiology | WI | |
| Diagnostic Radiology | IL | |
| Diagnostic Radiology | WI |
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