Jennifer Gruber, APNP
NPI 1134515703 · Nurse Practitioner · Fort Atkinson, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Gruber, APNP is a Nurse Practitioner provider in Fort Atkinson, WI (NPI 1134515703).
Provider details
- NPI number
- 1134515703
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APNP
- Sex
- Female
- Sole proprietor
- No
- License
- 6307 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
11 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
- 2015-04-10
- Last updated
- 2022-10-07
- Certified
- 2022-10-07
Frequently asked questions
- What is Jennifer Gruber's NPI number?
- Jennifer Gruber's National Provider Identifier (NPI) is 1134515703, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Gruber's specialty?
- Jennifer Gruber is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jennifer Gruber located?
- Jennifer Gruber's practice location on file with NPPES is 650 Mcmillen St, Fort Atkinson, WI 53538-1275.
- What is Jennifer Gruber's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Gruber is (920) 563-8900.
- Does Jennifer Gruber accept Medicare?
- Jennifer Gruber is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Gruber's NPI active?
- Yes — Jennifer Gruber's NPI (1134515703) is active in the NPPES registry as of the last update on 2022-10-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.