Emma Gruen, RN
NPI 1942948047 · Addiction (Substance Use Disorder) Registered Nurse · West Allis, WI
Emma Gruen, RN is a Addiction (Substance Use Disorder) Registered Nurse provider in West Allis, WI (NPI 1942948047).
Provider details
- NPI number
- 1942948047
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- 265282 (WI)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
- 2022-05-26
- Last updated
- 2022-05-26
- Certified
- 2022-05-26
Frequently asked questions
- What is Emma Gruen's NPI number?
- Emma Gruen's National Provider Identifier (NPI) is 1942948047, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Emma Gruen's specialty?
- Emma Gruen is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Registered Nurse (Nursing Service Providers).
- Where is Emma Gruen located?
- Emma Gruen's practice location on file with NPPES is 11390 W Theodore Trecker Way, West Allis, WI 53214-1135.
- What is Emma Gruen's phone number?
- The practice phone number listed in the NPPES registry for Emma Gruen is (414) 928-1401.
- Is Emma Gruen's NPI active?
- Yes — Emma Gruen's NPI (1942948047) is active in the NPPES registry as of the last update on 2022-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.