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Keith Mausner, M.D.
NPI 1164409843 · Emergency Medicine Physician · Waukesha, WI
Keith Mausner, M.D. is a Emergency Medicine Physician provider in Waukesha, WI (NPI 1164409843).
Provider details
- NPI number
- 1164409843
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 33295-020 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
725 American Ave
Suite 5
Waukesha, WI 53188-5031
Phone: (262) 928-2475
Fax: (262) 928-5697
Street-level locationGet directions
Mailing address
6400 Industrial Loop
Greendale, WI 53129-2452
Registry dates
- Enumerated
- 2005-12-23
- Last updated
- 2007-07-08
Frequently asked questions
- What is Keith Mausner's NPI number?
- Keith Mausner's National Provider Identifier (NPI) is 1164409843, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keith Mausner's specialty?
- Keith Mausner is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Keith Mausner located?
- Keith Mausner's practice location on file with NPPES is 725 American Ave, Waukesha, WI 53188-5031.
- What is Keith Mausner's phone number?
- The practice phone number listed in the NPPES registry for Keith Mausner is (262) 928-2475.
- Is Keith Mausner's NPI active?
- Yes — Keith Mausner's NPI (1164409843) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.