Matthieu Joseph Mayer, MD
Diagnostic Radiology (CMS) · Milwaukee, WI
At a glance
9200 W Wisconsin Ave, Milwaukee, WI 53226-3522
NPPES record updated May 17, 2023. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
9200 W Wisconsin AveMilwaukee, WI 53226-3522
Additional reported practice locations
1836 South AveLa Crosse, WI 546015429
Phone: 6087827300 10596 N Port Washington Rd
Mequon, WI 530925537
Phone: 4147747226
Fax: 4144544995 4455 S 108Th St
Greenfield, WI 532282504
Phone: 4144275310
Fax: 4144275311 3200 Pleasant Valley Rd
West Bend, WI 530959274
Phone: 2628365533
Fax: 2628367301 W180N8085 Town Hall Rd
Menomonee Falls, WI 530513518
Phone: 2622573060
Fax: 2625185052 1905 N Calhoun Rd
Brookfield, WI 530055005
Phone: 2627548000
Fax: 2627803396
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2018
- CMS specialties
- Diagnostic Radiology
Practice groups
- Black River Health Inc
- Gundersen Lutheran Medical Center Inc
- Memorial Hospital Of Boscobel
- Moundview Memorial Hospital And Clinics, Inc.
- Saint Elizabeths Hospital Of Wabasha Inc
- St Josephs Health Services Inc
- Tri-County Memorial Hospital Inc
- Vernon Memorial Healthcare Inc
- Veterans Memorial Hospital City Of Waukon Ia
Reported hospital affiliations
- Gundersen Boscobel Area Hospital And Clinics Boscobel, WI
- Gundersen Lutheran Medical Center La Crosse, WI
- Gundersen Palmer Lutheran Hospital And Clinics West Union, IA
- Gundersen Tri-County Hospital & Clinics Whitehall, WI
- St Elizabeth Medical Center Wabasha, MN
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Diagnostic Radiology (CMS)
- Taxonomy code
- 2085R0202X
- Enumeration date
- Apr 4, 2018
- Record updated
- May 17, 2023
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
2085R0202X · Primary
License reported: 74011 WI
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
9200 W Wisconsin AveMilwaukee, WI 53226-3522
- Phone
- (414) 805-3750
- Fax
- (414) 259-9290
Mailing address
9200 W WISCONSIN AVEMILWAUKEE, WI 532263522
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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