Gregory Allen Kass, M.D. practices diagnostic radiology in Waukesha, WI. According to Medicare claims data, Gregory cared for 1,110 Medicare patients across 2,270 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
725 AMERICAN AVE
Waukesha, WI 53188
2,270 services · 1,110 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
264 |
| Screening mammography | Imaging | 77067 |
116 |
| Screening 3d breast mammography | Imaging | 77063 |
116 |
| Ct scan head or brain without contrast | Imaging | 70450 |
80 |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
62 |
| Ct scan of blood vessels of chest with contrast | Imaging | 71275 |
39 |
| X-ray of hip, 2-3 views | Imaging | 73502 |
35 |
| Ct scan of abdomen and pelvis without contrast | Imaging | 74176 |
34 |
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
31 |
| X-ray of chest, 2 views | Imaging | 71046 |
31 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Kass is a radiologist in Waukesha, WI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Diagnostic Radiology”.
NPI registry
Dr. Kass is listed at 725 AMERICAN AVE, Waukesha, WI 53188. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (262) 928-2400. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Kass's National Provider Identifier is 1063407666. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Kass has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
According to Medicare billing data, Dr. Kass performs imaging including x-ray of chest, 1 view and screening mammography; provides treatments such as ultrasound study of one arm or leg veins with compression and maneuvers. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Kass. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.