DR. ERIN THERESE GRUENEBERG DNP
NPI 1134535735
Nurse Practitioner - Family in Germantown, WI
About Dr. Erin Therese Grueneberg Dnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ERIN THERESE GRUENEBERG DNP (NPI 1134535735) is an individual family provider in Germantown, Wisconsin, licensed in Wisconsin (170989-030) and active in the NPI registry since July 2014. She is enrolled in Medicare PECOS, is affiliated with Waukesha Memorial Hospital, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Erin Therese Grueneberg Dnp 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
2Medicare enrollment records show Erin Grueneberg reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- 3,983 clinicians in this Medicare group
Pewaukee, WI 53072
- Reassigned Medicare billing, Wisconsin enrollment
- 528 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.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Waukesha Memorial Hospital
Acute Care Hospitals · Waukesha, WIOconomowoc Memorial Hospital
Acute Care Hospitals · Oconomowoc, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53022 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Erin Grueneberg's NPI number?
The NPI number for Erin Grueneberg is 1134535735. It was assigned to this individual provider in the NPPES registry on July 3, 2014.
Where is Erin Grueneberg located?
Erin Grueneberg practices at W153 N9990 Neptune Drive, Germantown, WI 53022. The listed phone number is (608) 475-0758.
What is Erin Grueneberg's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Erin Grueneberg enrolled in Medicare?
Yes. Erin Grueneberg 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 Erin Grueneberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erin Grueneberg reassigns Medicare benefits to 2 organizations: The Medical College Of Wisconsin, Inc. (Milwaukee, WI) and Prohealth Medical Group Inc (Pewaukee, WI). 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 Erin Grueneberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Erin Grueneberg accept?
Health plans from Dean Health Plan, Network Health and UnitedHealthcare list Erin Grueneberg 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.
Is Erin Grueneberg affiliated with any hospitals?
According to CMS data, Erin Grueneberg is affiliated with Waukesha Memorial Hospital and Oconomowoc Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Erin Grueneberg was last updated on July 3, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Dr. Erin Therese Grueneberg, DNP · NPI 1134535735
Family physician in Germantown, Wisconsin. Individual provider, active in the CMS NPPES registry since July 3, 2014.
## Identity
- **NPI:** 1134535735 (Entity type: Individual)
- **Enumerated:** July 3, 2014
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 170989-030 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** W153 N9990 NEPTUNE DRIVE, Germantown, WI 53022
- **Phone:** (608) 475-0758
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): The Medical College Of Wisconsin, Inc. (NPI 1699720086, Milwaukee, WI); Prohealth Medical Group Inc (NPI 1396887709, Pewaukee, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** July 3, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1134535735) · Data from the CMS NPPES public registry.