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Edit this profileWhere to find Michael P. O'Brien, M.D.
- Waukesha location main office
W231N1440 Corporate CT, Waukesha, WI 53186 - Mequon location
10945 N Port Washington Rd Ste 201, Mequon, WI 53092
About Dr. O'brien
Michael P. O'Brien, M.D. practices diagnostic radiology in Waukesha, WI. Michael is a 2004 graduate of University of Iowa, Rj & L Carver College of Medicine. According to Medicare claims data, Michael cared for 1,339 Medicare patients across 1,412 services. The services billed most often include x-ray of chest, 1 view, ct scan head or brain without contrast, and mri scan of leg joint without contrast. The provider's National Provider Identifier (NPI) is 1194777888.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
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) 896-6000
- Email not available
Practice Locations
W231N1440 CORPORATE CT
Waukesha, WI 53186
10945 N Port Washington Rd Ste 201
Mequon, WI 53092
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
1,412 services · 1,339 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
292 | As often as other peers in Diagnostic Radiology |
| Ct scan head or brain without contrast | Imaging | 70450 |
131 | As often as other peers in Diagnostic Radiology |
| Mri scan of leg joint without contrast | Imaging | 73721 |
88 | More often than most peers in Diagnostic Radiology |
| X-ray of knee, 1-2 views | Imaging | 73560 |
83 | More often than most peers in Diagnostic Radiology |
| X-ray of pelvis, 1-2 views | Imaging | 72170 |
65 | More often than most peers in Diagnostic Radiology |
| X-ray of hip, 2-3 views | Imaging | 73502 |
64 | As often as other peers in Diagnostic Radiology |
| Mri scan of arm joint without contrast | Imaging | 73221 |
61 | As often as other peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
57 | Less often than most peers in Diagnostic Radiology |
| Ct scan of upper spine without contrast | Imaging | 72125 |
47 | As often as other peers in Diagnostic Radiology |
| X-ray of chest, 2 views | Imaging | 71046 |
46 | 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 8
Same specialty, same street address — most likely the same department or group.
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.
Other radiologists in Waukesha 6
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Iowa, Rj & L Carver College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2004 at University of Iowa, Rj & L Carver College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 1 view 8
Providers in WI who bill this service to Medicare most often.
Common questions
What is Michael P. O'Brien's specialty?
Michael P. O'Brien 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 Michael P. O'Brien?
Michael P. O'Brien is listed at W231N1440 Corporate CT, Waukesha, WI 53186. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Michael P. O'Brien?
The number on file is (262) 896-6000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Michael P. O'Brien's NPI number?
Michael P. O'Brien's National Provider Identifier is 1194777888. 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
What is Michael P. O'Brien's education?
Michael P. O'Brien attended University of Iowa, Rj & L Carver College of Medicine, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How long has Michael P. O'Brien been practicing?
Michael P. O'Brien has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What is Michael P. O'Brien known for?
According to Medicare billing data, Michael P. O'Brien performs imaging including x-ray of chest, 1 view and ct scan head or brain without contrast. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Michael P. O'Brien confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Michael P. O'Brien. If this is you, claiming it is free.
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