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- 725 American Ave, Waukesha, WI 53188
About Dr. Kass
Gregory A. 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. The services billed most often include low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml, x-ray of chest, 1 view, and screening mammography. The provider's National Provider Identifier (NPI) is 1063407666.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (262) 928-2400
- Email not available
Practice Locations
725 AMERICAN AVE
Waukesha, WI 53188
Conditions Evaluated or Diagnosed
Within Diagnostic Radiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Abdomen & Pelvis
- Abdominal Pain
- Appendicitis
- Diverticulitis
- Enlarged prostate
- Gallstones
- Kidney stones
- Liver Lesions
- Ovarian cysts
Bone & Joint
- Ankle Sprain or Fracture
- Bone fractures
- Heel pain
- Hip osteoarthritis
- Osteoporosis
- Rotator cuff tear
- Torn meniscus
Brain & Head
- Brain aneurysm
- Brain tumor
- Concussion in Children
- Migraines
- Sinus infection
- Transient ischemic attack
Brain & nerves
Breast
Chest & Heart
General
Heart & blood vessels
Joint & bone
Liver & digestion
Lungs & breathing
Men's health
Neck & Thyroid
Nerve pain
Pelvic health
Spine
Spine & back
Vascular
Women's health
Procedures & services
Abdominal imaging
Biopsies
Bone Density
Breast Imaging
CT Scan
Digestive & liver
Fluoroscopy
General imaging
Heart & blood vessels
Joint & bone
MRI
Nuclear Medicine
Pelvic imaging
Screening & Prevention
Spine & back
Ultrasound
- Abdominal Ultrasound
- Carotid Ultrasound
- Leg Vein Ultrasound
- Pelvic ultrasound
- Scrotal Ultrasound
- Thyroid ultrasound
- Ultrasound
Urinary & kidney
Women's health
X-Ray
Procedures Most Often Billed to Medicare
2,270 services · 1,110 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
264 | As often as other peers in Diagnostic Radiology |
| Screening mammography | Imaging | 77067 |
116 | Less often than most peers in Diagnostic Radiology |
| Screening 3d breast mammography | Imaging | 77063 |
116 | Less often than most peers in Diagnostic Radiology |
| Ct scan head or brain without contrast | Imaging | 70450 |
80 | Less often than most peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
62 | As often as other peers in Diagnostic Radiology |
| Ct scan of blood vessels of chest with contrast | Imaging | 71275 |
39 | Less often than most peers in Diagnostic Radiology |
| X-ray of hip, 2-3 views | Imaging | 73502 |
35 | As often as other peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis without contrast | Imaging | 74176 |
34 | Less often than most peers in Diagnostic Radiology |
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
31 | Less often than most peers in Diagnostic Radiology |
| X-ray of chest, 2 views | Imaging | 71046 |
31 | Less often than most peers in Diagnostic Radiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other radiologists at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 11 related providers in 2 groups
Other radiologists in Waukesha 3
Same specialty, same city.
Also performs X-ray of chest, 1 view 8
Providers in WI who bill this service to Medicare most often.
Common questions
What is Gregory A. Kass's specialty?
Gregory A. Kass is a radiologist in Waukesha, WI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
Where can I find Gregory A. Kass?
Gregory A. 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
How do I contact Gregory A. Kass?
The number on file is (262) 928-2400. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Gregory A. Kass's NPI number?
Gregory A. 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
How long has Gregory A. Kass been practicing?
Gregory A. 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
What is Gregory A. Kass known for?
According to Medicare billing data, Gregory A. 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
Has Gregory A. Kass confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Gregory A. Kass. If this is you, claiming it is free.
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