Keith L. Mausner, M.D.
Emergency Medicine Physician · Waukesha, WI
Keith L. Mausner, M.D. is an emergency medicine physician with a practice address in Waukesha, Wisconsin, and NPI 1164409843, issued on Dec 23, 2005. Check the license (Wisconsin 33295-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Keith L. Mausner
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 33295-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 725 American Ave, Waukesha, WI 53188
- Phone
- (262) 928-2475
- Enumerated
- Dec 23, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (262) 928-5697
- Medicaid ID
- 31909600 WI
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,464 in Wisconsin → Look up another NPI →
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A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Keith L. Mausner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 33295-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Keith L. Mausner among 1,464 emergency medicine physician records in Wisconsin
Keith L. Mausner, M.D. is one of 1,464 emergency medicine physician records with a practice address in Wisconsin. 79% 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileNo · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2026 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Wisconsin
There are 1,464 emergency medicine physician records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,464 in Wisconsin → Every provider in Waukesha → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Alan Abdulla, D.O.Waukesha, WI 531881508164419
- Michael Berger, M.D.Waukesha, WI 531881821170333
- Matthew Deluhery, M.D.Waukesha, WI 531881477725547
- Carlos Feliciano, M.D.Waukesha, WI 531881114189701
- Timothy Helz, M.D.Waukesha, WI 531881306828017
- Brian Huckstorf, M.D.Waukesha, WI 531881447236492
- Steven Kulick, M.D.Waukesha, WI 531881043297658
- James Mateer, M.D.Waukesha, WI 531881184604456
Common questions
What is Keith L. Mausner, M.D.'s NPI number?
Keith L. Mausner, M.D.'s National Provider Identifier (NPI) is 1164409843, issued on Dec 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Keith L. Mausner, M.D. located?
The NPPES record lists a practice address at 725 American Ave, Waukesha, WI, 53188. Phone: (262) 928-2475. Providers update this record themselves, so call before visiting.
How can I verify Keith L. Mausner, M.D.'s license?
NPPES lists Wisconsin license number 33295-020, 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.