Joseph Maier, MD
Family Medicine Physician · Brookfield, WI
Joseph Maier, MD is a family medicine physician with a practice address in Brookfield, Wisconsin, and NPI 1770550139, issued on Mar 3, 2006. Check the license (Wisconsin 16822, as entered in NPPES) on the Wisconsin Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Joseph Maier
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 16822 WI
Self-reported in NPPES; status is on the state search - Practice location
- 17000 W North Ave, Brookfield, WI 53005
- Phone
- (262) 782-4270
- Enumerated
- Mar 3, 2006
- Record last updated
- Jul 21, 2022
- Fax
- (262) 784-9319
- Medicaid ID
- 30875200 WI
- Entity
- Type 1 · individual
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Verify Joseph Maier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 16822Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Joseph Maier among 3,765 family medicine physician records in Wisconsin
Joseph Maier, MD is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 46% newer
- In a Medicare fileNo · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2022 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
33 family medicine physician records list a practice address in Brookfield
They are 33 of the 2,036 NPPES records with a practice address in Brookfield, and 3,765 family medicine physician records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,765 in Wisconsin → Every provider in Brookfield → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jacquelyn Dinusson, MDBrookfield, WI 530051649221722
- Mark Dorow, M.D.Brookfield, WI 530051457323099
- Joanne Hill, MDBrookfield, WI 530051639121429
- Niel Johnson, MDBrookfield, WI 530051649233255
- Lowell Keppel, M.D.Brookfield, WI 530051730177353
- Jose Leiva, MDBrookfield, WI 530051962496760
- Sharniecia Norman, MDBrookfield, WI 530051538112289
- Moira O'Brien-Bruce, D.O.Brookfield, WI 530051891768370
Common questions
What is Joseph Maier, MD's NPI number?
Joseph Maier, MD's National Provider Identifier (NPI) is 1770550139, issued on Mar 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Maier, MD located?
The NPPES record lists a practice address at 17000 W North Ave, Brookfield, WI, 53005. Phone: (262) 782-4270. Providers update this record themselves, so call before visiting.
How can I verify Joseph Maier, MD's license?
NPPES lists Wisconsin license number 16822, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.