AJNR Am J Neuroradiol
EuropeJapanMagnetic Resonance Imaging
Dr. John F. Hamer, MD
NPI1093763864PAC ID3779529912
- Medicare services, 2024
- 1,173
- Medicare patients, 2024
- 783
- Publications
- 3
- Hospital affiliations
- 4
- Medical groups
- 2
- Practice address
- 9200 W Wisconsin Ave, Milwaukee, WI 53226
- Practice phone
- Call (414) 805-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hamer's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John F. Hamer is a neuroradiologist in Milwaukee, Wisconsin
Dr. Hamer practices at Froedtert Hospital in Milwaukee, Wisconsin, part of Froedtert ThedaCare Health.
Dr. Hamer's NPI, 1093763864, was assigned on May 4, 2006. Dr. Hamer graduated from Medical College of Wisconsin in 1999. Dr. Hamer holds Wisconsin license 42453.
NPI and contact details
- NPI
- 1093763864NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779529912
- NPI enumeration date
- May 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (414) 805-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John F. Hamer practices at Froedtert Hospital in Milwaukee, Wisconsin
Dr. Hamer's primary practice is Froedtert Hospital, at 9200 W Wisconsin Ave, Milwaukee, WI 53226 in Milwaukee County. The practice phone is (414) 805-3000.
- Froedtert Hospital9200 W Wisconsin Ave, Milwaukee, WI 53226 · Milwaukee CountyPhone(414) 805-3000
Source: Dmand AI Affiliation Data
Dr. John F. Hamer is affiliated with 4 sites of care and 2 medical groups
Dr. Hamer's primary practice is Froedtert Hospital in Milwaukee, Wisconsin, part of Froedtert ThedaCare Health. Dr. Hamer is also affiliated with Froedtert Menomonee Falls Hospital. The medical group on file is Froedtert & the Medical College of Wisconsin Community Physicians. Dmand AI also links Dr. Hamer to 2 more hospitals and 1 medical group, each named with a free account.
Froedtert Menomonee Falls HospitalFroedtert & the Medical College of Wisconsin Community Physicians2 hospitalsNames with a free account1 medical groupName with a free account
See all 6 affiliations for Dr. HamerSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John F. Hamer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hamer practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Froedtert Hospital | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Froedtert ThedaCare Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John F. Hamer is one of 38 neuroradiologists in Wisconsin
Neuroradiology is Dr. Hamer's primary specialty in the NPI Registry, under taxonomy code 2085N0700X. Dr. Hamer is licensed in Wisconsin.
Specialties and state licenses
- Neuroradiology, WisconsinPrimary
Neuroradiologists near Dr. Hamer
Counts of neuroradiologists with a Dmand AI profile, by place and practice. Each opens the list.
38neuroradiologists in Wisconsin11neuroradiologists in Milwaukee5neuroradiologists at Froedtert Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John F. Hamer billed Medicare for 1,173 services in 2024
CMS data shows 1,173 Medicare services from Dr. Hamer across 16 procedure codes in 2024, for 783 Medicare patients. Medicare paid $45,305 for them.
Medicare services, 20241,173
Medicare patients783
Paid by Medicare$45,305
Procedure codes16
Dr. Hamer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 1,0042024: 1,11011%
- Other services
- 2023: 362024: 6375%
- Surgery
- 2023: 152024: 0100%
Where Dr. Hamer's Medicare services took place, 2024
- In an office32227%
- In a facility85173%
Dr. Hamer compared with the Wisconsin median for neuroradiologists, 2024
- Dr. Hamer
- Wisconsin median
- Medicare services
- 1,173vs 1,122Close to median
- Medicare patients
- 783vs 771Close to median
Medians across 38 neuroradiologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Hamer's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Hamer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hamer and other neuroradiologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John F. Hamer treated 783 Medicare patients in 2024, average age 74
CMS counts 783 Medicare patients who saw Dr. Hamer in 2024. The largest group is 65 to 74, with 331 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 17% are also on Medicaid. Their average risk score is 1.51, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Hamer's median patient age at 66, with 59% women.
Medicare patients, 2024783
Average age74
Average risk score1.51
Also on Medicaid17%
Dr. Hamer's Medicare patients by age, 2024
Dr. Hamer's Medicare patients by sex, 2024
- Women51366%
- Men27034%
Chronic conditions among Dr. Hamer's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis49%
- Mood disorders37%
- Anxiety35%
- Depression32%
- Ischemic heart disease31%
- Chronic kidney disease29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hamer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. John F. Hamer takes part in Medicare
Dr. Hamer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John F. Hamer has 3 publications on record
Dmand AI links 3 papers to Dr. Hamer, published from 2014 to 2024. The most frequent topics are Magnetic Resonance Imaging. Dr. Hamer's most frequent co-authors are Ryan Thomas Beck, MD, Lotfi Hacein-Bey, MD and Vladimir Ivanovic, MD.
Papers3
Years published2014 to 2024
Dr. Hamer's papers by year, 2014 to 2024
Topics Dr. Hamer writes about most
- Magnetic Resonance Imaging
Dr. Hamer's most frequent co-authors
- Ryan Thomas Beck, MD2 shared papers
- Lotfi Hacein-Bey, MD2 shared papers
- Vladimir Ivanovic, MD2 shared papers
Recent publications by Dr. Hamer
Autoimmune DiseasesDiagnosis, DifferentialMagnetic Resonance Imaging
Catheter AblationCervical VertebraeGanglia, Spinal
See who Dr. Hamer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hamer works with, so you can find a warm path to the right neuroradiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John F. Hamer graduated from Medical College of Wisconsin
Dr. Hamer graduated from Medical College of Wisconsin in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John F. Hamer's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John F. Hamer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John F. Hamer's NPI number?
Dr. John F. Hamer's NPI number is 1093763864. It was assigned on May 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John F. Hamer?
Dr. John F. Hamer is a neuroradiologist in Milwaukee, Wisconsin. The primary specialty in the NPI Registry is Neuroradiology Physician (taxonomy code 2085N0700X).
Where does Dr. John F. Hamer practice?
Dr. Hamer practices at 9200 W Wisconsin Ave, Milwaukee, WI 53226. Dr. Hamer's primary practice is Froedtert Hospital in Milwaukee, Wisconsin, part of Froedtert ThedaCare Health. Dmand AI also links Dr. Hamer to 2 hospitals and 1 medical group.
What is Dr. John F. Hamer's office phone number?
The practice phone on file for Dr. Hamer is (414) 805-3000.
What is Dr. John F. Hamer's medical license number?
Dr. Hamer holds Wisconsin license 42453.
Which hospitals is Dr. John F. Hamer affiliated with?
Dr. Hamer practices at Froedtert Hospital in Milwaukee, Wisconsin. Dr. Hamer is also affiliated with Froedtert Menomonee Falls Hospital. Dmand AI links Dr. Hamer to 2 more hospitals.
What medical group is Dr. John F. Hamer part of?
Dr. Hamer is linked to Froedtert & the Medical College of Wisconsin Community Physicians. Dmand AI links Dr. Hamer to 1 more medical group.
Does Dr. John F. Hamer accept Medicare?
Yes. CMS data shows Dr. Hamer billed Medicare for 1,173 services in 2024, and Dr. Hamer accepts Medicare assignment.
How many Medicare patients does Dr. John F. Hamer see?
CMS counts 783 Medicare patients who saw Dr. Hamer in 2024, with an average age of 74.
What services does Dr. John F. Hamer bill to Medicare?
In 2024, Dr. Hamer's most billed Medicare services were diagnostic imaging (70450), diagnostic imaging (70551) and radiation oncology (77063).
Show 4 more questionsShow fewer questions
Where did Dr. John F. Hamer go to medical school?
Dr. Hamer graduated from Medical College of Wisconsin in 1999.
How long has Dr. John F. Hamer been practicing?
Dr. Hamer graduated from medical school in 1999, 27 years ago.
Does Dr. John F. Hamer do research?
Dmand AI links 3 publications to Dr. Hamer, published from 2014 to 2024.
Who does Dr. John F. Hamer publish with?
Dr. Hamer's most frequent co-authors are Ryan Thomas Beck, MD (2 shared papers), Lotfi Hacein-Bey, MD (2 shared papers) and Vladimir Ivanovic, MD (2 shared papers).
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