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Edit this profileAt a glance
- 9200 W Wisconsin Ave, Milwaukee, WI 53226
About Dr. Hamer
John Hamer, MD is a healthcare provider in Milwaukee, WI specializing in nuclear medicine. John trained at Medical College of Wisconsin, graduating in 1999. According to Medicare claims data, John cared for 1,051 Medicare patients across 1,173 services. The services billed most often include ct scan head or brain without contrast, mri scan of brain without contrast, and screening mammography. This provider record is associated with NPI 1093763864.
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
- (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 | Compared with peers |
|---|---|---|---|---|
| Ct scan head or brain without contrast | Imaging | 70450 |
233 | As often as other peers in Nuclear Medicine |
| Mri scan of brain without contrast | Imaging | 70551 |
128 | More often than most peers in Nuclear Medicine |
| Screening mammography | Imaging | 77067 |
123 | As often as other peers in Nuclear Medicine |
| Screening 3d breast mammography | Imaging | 77063 |
123 | As often as other peers in Nuclear Medicine |
| Ct scan of upper spine without contrast | Imaging | 72125 |
76 | As often as other peers in Nuclear Medicine |
| Ct scan of blood vessels of head with contrast | Imaging | 70496 |
50 | As often as other peers in Nuclear Medicine |
| Mri scan of brain before and after contrast | Imaging | 70553 |
49 | Less often than most peers in Nuclear Medicine |
| Mri scan of brain without contrast | Imaging | 70551 |
47 | More often than most peers in Nuclear Medicine |
| Ct scan of blood vessels of neck with contrast | Imaging | 70498 |
47 | As often as other peers in Nuclear Medicine |
| Diagnostic mammography of 1 breast | Imaging | 77065 |
38 | As often as other peers in Nuclear Medicine |
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.
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.
Other nuclear medicines in Milwaukee 8
Same specialty, same city.
More connections — 20 related providers in 3 groups
Trained at Medical College of Wisconsin 6
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 6
Providers in WI who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Hamer?
Dr. Hamer is a nuclear medicine in Milwaukee, WI. That is the designation recorded for this NPI in the federal registry.
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. Contact the office directly to confirm availability and scheduling.
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.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.