Physician Profile
Unclaimed ProfileAbout TOMASHEK
John Tomashek, M.D. is a healthcare provider in Mequon, WI specializing in diagnostic radiology. John trained at University of Wisconsin School of Medicine, graduating in 1996. John is also listed as specializing in vascular & interventional radiology. According to Medicare claims data, John cared for 507 Medicare patients across 563 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
Common questions
What kind of doctor is Dr. Tomashek?
Dr. Tomashek is a diagnostic radiology in Mequon, WI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “DIAGNOSTIC RADIOLOGY”.
NPI registry
What is Dr. Tomashek's address?
Dr. Tomashek is listed at 10945 N PORT WASHINGTON RD STE 201, Mequon, WI 53092. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Tomashek?
The number on file is (262) 292-3151. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Tomashek's NPI number?
Dr. Tomashek's National Provider Identifier is 1013999564. 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. Tomashek train?
Dr. Tomashek attended University of Wisconsin School of Medicine, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Tomashek been practicing?
Dr. Tomashek has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Tomashek perform?
According to Medicare billing data, Dr. Tomashek performs procedures including injection of chemical agent into multiple incompetent veins of leg; reads or performs imaging such as x-ray of chest, 1 view and x-ray of chest, 2 views; provides treatments such as ultrasound of both sides of head and neck blood flow and ultrasound study of one arm or leg veins with compression and maneuvers, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Tomashek confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Tomashek. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (262) 292-3151
- Email not available
Practice Locations
10945 N PORT WASHINGTON RD STE 201
Mequon, WI 53092
Procedures Most Often Billed to Medicare
563 services · 507 patients · 24 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Injection of chemical agent into multiple incompetent veins of leg | Procedure | 36471 |
38 |
| X-ray of chest, 1 view | Imaging | 71045 |
67 |
| X-ray of chest, 2 views | Imaging | 71046 |
38 |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
33 |
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
25 |
| Ct scan head or brain without contrast | Imaging | 70450 |
23 |
| Ct scan of blood vessels of chest with contrast | Imaging | 71275 |
19 |
| X-ray of abdomen, 1 view | Imaging | 74018 |
17 |
| Complete ultrasound scan behind abdominal cavity | Imaging | 76770 |
16 |
| Limited ultrasound scan of abdomen | Imaging | 76705 |
16 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated 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.
Related specialists at this location 3
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 — 24 related providers in 3 groups
Trained at University of Wisconsin School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1996 at University of Wisconsin School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of chemical agent into multiple incompetent veins of leg 8
Providers in WI who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.