DR. GREGORY ALLEN KASS (M.D.) – Diagnostic Radiology Physician, NPI 1063407666
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for DR. GREGORY ALLEN KASS (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)
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: 2008-05-29
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 |
|---|---|---|---|---|
| I20080529000881 | 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 | 200 | 194 | $0 |
| 77067 | Screening mammography | 130 | 130 | $0 |
| 77063 | Screening 3d breast mammography | 126 | 126 | $0 |
| 71046 | X-ray of chest, 2 views | 88 | 78 | $0 |
| 74177 | Ct scan of abdomen and pelvis with contrast | 71 | 69 | $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 | 71010 | X-ray of chest, 1 view, front | 594 | 546 |
| DIAGNOSTIC RADIOLOGY | WI | 71250 | CT scan chest | 20 | 20 |
| DIAGNOSTIC RADIOLOGY | WI | 73110 | X-ray of wrist, minimum of 3 views | 21 | 21 |
| DIAGNOSTIC RADIOLOGY | WI | 73562 | X-ray of knee, 3 views | 26 | 15 |
| DIAGNOSTIC RADIOLOGY | WI | 73630 | X-ray of foot, minimum of 3 views | 39 | 21 |
| DIAGNOSTIC RADIOLOGY | WI | 74177 | CT scan of abdomen and pelvis with contrast | 26 | 26 |
| DIAGNOSTIC RADIOLOGY | WI | 76830 | Ultrasound pelvis through vagina | 16 | 15 |
| DIAGNOSTIC RADIOLOGY | WI | 78452 | Nuclear medicine study of vessels of heart using drugs or exercise multiple studies | 15 | 15 |
| DIAGNOSTIC RADIOLOGY | WI | 78815 | Nuclear medicine study with CT imaging skull base to mid-thigh | 46 | 43 |
| DIAGNOSTIC RADIOLOGY | WI | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 49 | 49 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | WI | |
| Diagnostic Radiology, Interventional Radiology | WI | |
| Diagnostic Radiology | WI | |
| - | WI | |
| Diagnostic Radiology | WI | |
| - | WI | |
| Nurse Practitioner | WI | |
| - | WI | |
| Diagnostic Radiology, Interventional Radiology | WI | |
| Diagnostic Radiology | WI |
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