Mary Hammer, APRN
NPI 1679597314 · Adult Health Nurse Practitioner · Milwaukee, WI
Mary Hammer, APRN is a Adult Health Nurse Practitioner provider in Milwaukee, WI (NPI 1679597314).
Provider details
- NPI number
- 1679597314
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- 1180-033 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-07-26
- Last updated
- 2023-03-07
Frequently asked questions
- What is Mary Hammer's NPI number?
- Mary Hammer's National Provider Identifier (NPI) is 1679597314, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Hammer's specialty?
- Mary Hammer is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Hammer located?
- Mary Hammer's practice location on file with NPPES is 5000 W National Ave, Milwaukee, WI 53295-0001.
- What is Mary Hammer's phone number?
- The practice phone number listed in the NPPES registry for Mary Hammer is (414) 384-2000.
- Is Mary Hammer's NPI active?
- Yes — Mary Hammer's NPI (1679597314) 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.