Physician Profile
Unclaimed ProfileAbout HAMER
John Hamer, MD is a healthcare provider in Milwaukee, WI specializing in diagnostic radiology. John trained at Medical College of Wisconsin, graduating in 1999. John is also listed as specializing in nuclear medicine. According to Medicare claims data, John cared for 1,051 Medicare patients across 1,173 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
- (414) 805-2060
- Email not available
Practice Locations
9200 W WISCONSIN AVE
Milwaukee, WI 53226
Procedures Most Often Billed to Medicare
1,173 services · 1,051 patients · 20 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Ct scan head or brain without contrast | Imaging | 70450 |
233 |
| Mri scan of brain without contrast | Imaging | 70551 |
128 |
| Screening mammography | Imaging | 77067 |
123 |
| Screening 3d breast mammography | Imaging | 77063 |
123 |
| Ct scan of upper spine without contrast | Imaging | 72125 |
76 |
| Ct scan of blood vessels of head with contrast | Imaging | 70496 |
50 |
| Mri scan of brain before and after contrast | Imaging | 70553 |
49 |
| Mri scan of brain without contrast | Imaging | 70551 |
47 |
| Ct scan of blood vessels of neck with contrast | Imaging | 70498 |
47 |
| Diagnostic mammography of 1 breast | Imaging | 77065 |
38 |
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 1
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 Milwaukee 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Medical College of Wisconsin 8
Other providers in the same specialty who trained at the same institution.
Class of 1999 at Medical College of Wisconsin 8
Providers who graduated from the same medical school in the same year.
Also performs Ct scan head or brain without contrast 8
Providers in WI who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Hamer?
Dr. Hamer is a diagnostic radiology in Milwaukee, WI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “DIAGNOSTIC RADIOLOGY”.
NPI registry
What is Dr. Hamer's address?
Dr. Hamer is listed at 9200 W WISCONSIN AVE, Milwaukee, WI 53226. 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. Hamer?
The number on file is (414) 805-2060. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Hamer's NPI number?
Dr. Hamer's National Provider Identifier is 1093763864. 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. Hamer train?
Dr. Hamer attended Medical College of Wisconsin, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Hamer been practicing?
Dr. Hamer has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Hamer perform?
According to Medicare billing data, Dr. Hamer performs imaging including ct scan head or brain without contrast and mri scan of brain without contrast. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Hamer confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hamer. 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.