Physician Profile
Unclaimed ProfileAbout LEWIS
Based in Waukesha, WI, John Derek Lewis, M.D. is listed in the NPI registry under diagnostic radiology. According to Medicare claims data, John cared for 1,335 Medicare patients across 1,365 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (262) 896-6000
- Email not available
Practice Locations
W231N1440 CORPORATE CT
Waukesha, WI 53186
Procedures Most Often Billed to Medicare
1,365 services · 1,335 patients · 21 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
399 |
| Ct scan head or brain without contrast | Imaging | 70450 |
286 |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
127 |
| Ct scan of upper spine without contrast | Imaging | 72125 |
94 |
| Ct scan of abdomen and pelvis without contrast | Imaging | 74176 |
81 |
| Ct scan of blood vessels of chest with contrast | Imaging | 71275 |
63 |
| X-ray of abdomen, 1 view | Imaging | 74018 |
50 |
| Ct scan of blood vessels of head with contrast | Imaging | 70496 |
34 |
| Ct scan of blood vessels of neck with contrast | Imaging | 70498 |
32 |
| Ct scan of chest without contrast | Imaging | 71250 |
25 |
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 diagnostic radiology specialists 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 diagnostic radiology specialists in Waukesha 6
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2005 at Other 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 does Dr. Lewis specialize in?
Dr. Lewis is a diagnostic radiology in Waukesha, WI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “DIAGNOSTIC RADIOLOGY”.
NPI registry
Where is Dr. Lewis located?
Dr. Lewis 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
What is Dr. Lewis's phone number?
The number on file is (262) 896-6000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Lewis's NPI number?
Dr. Lewis's National Provider Identifier is 1396916656. 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
Where did Dr. Lewis go to medical school?
Dr. Lewis attended Other, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Lewis been practicing?
Dr. Lewis has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Lewis do most often?
According to Medicare billing data, Dr. Lewis 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 Dr. Lewis confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Lewis. 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.