MS. JENNIFER GRUBER APNP
NPI 1134515703
Nurse Practitioner in Fort Atkinson, WI
About Ms. Jennifer Gruber Apnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. JENNIFER GRUBER APNP (NPI 1134515703) is an individual nurse practitioner in Fort Atkinson, Wisconsin, licensed in Wisconsin (6307) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ms. Jennifer Gruber Apnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Jennifer Gruber reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fort Atkinson, WI 53538
- Reassigned Medicare billing, Wisconsin enrollment
- 298 clinicians in this Medicare group
Madison, WI 53715
- Reassigned Medicare billing, Wisconsin enrollment
- 1,377 clinicians in this Medicare group
Huntsville, AL 35801
- Reassigned Medicare billing, Alabama enrollment
- 193 clinicians in this Medicare group
Huntsville, AL 35801
- Reassigned Medicare billing, Alabama enrollment
- 182 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53538 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Jennifer Gruber's NPI number?
The NPI number for Jennifer Gruber is 1134515703. It was assigned to this individual provider in the NPPES registry on April 10, 2015.
Where is Jennifer Gruber located?
Jennifer Gruber practices at 650 Mcmillen St, Fort Atkinson, WI 53538. The listed phone number is (920) 563-8900.
What is Jennifer Gruber's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Jennifer Gruber enrolled in Medicare?
Yes. Jennifer Gruber is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Jennifer Gruber's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Gruber reassigns Medicare benefits to 4 organizations: Fort Healthcare, Inc. (Fort Atkinson, WI), Dean Health Systems, Inc (Madison, WI), Emergency Physicians Group (Huntsville, AL) and Hh Physicians Network (Huntsville, AL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jennifer Gruber's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jennifer Gruber accept?
Health plans from Ambetter Health, Ambetter of Alabama, Ambetter of Tennessee, Blue Cross and Blue Shield of Alabama and BlueCross BlueShield of Tennessee list Jennifer Gruber as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Jennifer Gruber was last updated on October 7, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ms. Jennifer Gruber, APNP · NPI 1134515703
Nurse Practitioner physician in Fort Atkinson, Wisconsin. Individual provider, active in the CMS NPPES registry since April 10, 2015.
## Identity
- **NPI:** 1134515703 (Entity type: Individual)
- **Enumerated:** April 10, 2015
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 6307 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 650 MCMILLEN ST, Fort Atkinson, WI 53538-1275
- **Phone:** (920) 563-8900
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Fort Healthcare, Inc. (NPI 1811916281, Fort Atkinson, WI); Dean Health Systems, Inc (NPI 1053358846, Madison, WI); Emergency Physicians Group (NPI 1659366649, Huntsville, AL); Hh Physicians Network (NPI 1891359683, Huntsville, AL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** October 7, 2022
- **Other identifiers:** Medicaid 1134515703 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1134515703) · Data from the CMS NPPES public registry.