Mary Brethauer, CNM,RN
NPI 1245270040 · Advanced Practice Midwife · Milwaukee, WI
Mary Brethauer, CNM,RN is a Advanced Practice Midwife provider in Milwaukee, WI (NPI 1245270040).
Provider details
- NPI number
- 1245270040
- Entity type
- Individual
- Primary specialty
- Advanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNM,RN
- Sex
- Female
- Sole proprietor
- No
- License
- 80791-030 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-06-08
- Last updated
- 2023-03-07
Frequently asked questions
- What is Mary Brethauer's NPI number?
- Mary Brethauer's National Provider Identifier (NPI) is 1245270040, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Brethauer's specialty?
- Mary Brethauer is listed in the NPPES registry with a primary specialty of Advanced Practice Midwife (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Brethauer located?
- Mary Brethauer's practice location on file with NPPES is 1032 S Cesar E Chavez Dr, Milwaukee, WI 53204-2203.
- What is Mary Brethauer's phone number?
- The practice phone number listed in the NPPES registry for Mary Brethauer is (414) 672-1353.
- Is Mary Brethauer's NPI active?
- Yes — Mary Brethauer's NPI (1245270040) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.