ALLISON ZIMMERMAN
NPI 1932690245
Internal Medicine - Advanced Heart Failure and Transplant Cardiology in Milwaukee, WI
About Allison Zimmerman NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALLISON ZIMMERMAN (NPI 1932690245) is an individual advanced heart failure and transplant cardiology provider in Milwaukee, Wisconsin, licensed in Wisconsin (85490) and active in the NPI registry since May 2018. She is enrolled in Medicare PECOS, is affiliated with Aurora St Lukes Medical Center, and maintains a secondary practice location in Detroit.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Allison Zimmerman 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 Allison Zimmerman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Milwaukee, WI 53215
- Reassigned Medicare billing, Wisconsin enrollment
- 4,609 clinicians in this Medicare group
Milwaukee, WI 53209
- Reassigned Medicare billing, Wisconsin enrollment
- 1,615 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Aurora St Lukes Medical Center
Acute Care Hospitals · Milwaukee, WIWest Allis Memorial Hospital
Acute Care Hospitals · West Allis, WIAurora Medical Center
Acute Care Hospitals · Grafton, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53215 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 20
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 Allison Zimmerman's NPI number?
The NPI number for Allison Zimmerman is 1932690245. It was assigned to this individual provider in the NPPES registry on May 22, 2018.
Where is Allison Zimmerman located?
Allison Zimmerman practices at 2900 W Oklahoma Ave, Milwaukee, WI 53215. The listed phone number is (414) 646-2438.
What is Allison Zimmerman's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Advanced Heart Failure and Transplant Cardiology, with taxonomy code 207RA0001X.
Is Allison Zimmerman enrolled in Medicare?
Yes. Allison Zimmerman 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 Allison Zimmerman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Allison Zimmerman reassigns Medicare benefits to 2 organizations: Aurora Medical Group, Inc. (Milwaukee, WI) and Aurora Advanced Healthcare, Inc. (Milwaukee, 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 Allison Zimmerman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Allison Zimmerman accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Quartz list Allison Zimmerman 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 Allison Zimmerman affiliated with any hospitals?
According to CMS data, Allison Zimmerman is affiliated with Aurora St Lukes Medical Center, West Allis Memorial Hospital and Aurora Medical Center.
When was this NPI record last updated?
The NPPES record for Allison Zimmerman was last updated on August 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 53 days 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.
# Allison Zimmerman · NPI 1932690245
Advanced Heart Failure and Transplant Cardiology physician in Milwaukee, Wisconsin. Individual provider, active in the CMS NPPES registry since May 22, 2018.
## Identity
- **NPI:** 1932690245 (Entity type: Individual)
- **Enumerated:** May 22, 2018
- **Primary specialty:** Internal Medicine - Advanced Heart Failure and Transplant Cardiology · taxonomy 207RA0001X
- **State license:** 85490 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 2900 W OKLAHOMA AVE, Milwaukee, WI 53215-4330
- **Phone:** (414) 646-2438
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Aurora Medical Group, Inc. (NPI 1427271378, Milwaukee, WI); Aurora Advanced Healthcare, Inc. (NPI 1265629133, Milwaukee, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Toledo College Of Medicine, class of 2018
## Record status
- **NPPES last updated:** August 31, 2026
- **Other identifiers:** Medicaid 100367544 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1932690245) · Data from the CMS NPPES public registry.