HALEY RENAE ZIMMERMAN
NPI 1023697281
Internal Medicine in Chicago, IL
About Haley Renae Zimmerman NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HALEY RENAE ZIMMERMAN (NPI 1023697281) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (125.077918) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, is affiliated with Rush University Medical Center, and is a graduate of University Of Wisconsin School Of Medicine (2021).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Haley Renae Zimmerman is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Haley 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Rush University Medical Center
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60612 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.
CHICAGO, IL 60612
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 Haley Zimmerman's NPI number?
The NPI number for Haley Zimmerman is 1023697281. It was assigned to this individual provider in the NPPES registry on April 5, 2021.
Where is Haley Zimmerman located?
Haley Zimmerman practices at 1620 W Harrison St, Chicago, IL 60612. The listed phone number is (312) 942-5000.
What is Haley Zimmerman's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Haley Zimmerman enrolled in Medicare?
Yes. Haley Zimmerman is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Haley Zimmerman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Haley 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 Haley Zimmerman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Haley Zimmerman accept?
Health plans from Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare) and UnitedHealthcare list Haley 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 Haley Zimmerman affiliated with any hospitals?
According to CMS data, Haley Zimmerman is affiliated with Rush University Medical Center.
When was this NPI record last updated?
The NPPES record for Haley Zimmerman was last updated on June 23, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Haley Renae Zimmerman · NPI 1023697281
Internal Medicine physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since April 5, 2021.
## Identity
- **NPI:** 1023697281 (Entity type: Individual)
- **Enumerated:** April 5, 2021
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 125.077918 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1620 W HARRISON ST, Chicago, IL 60612-3801
- **Phone:** (312) 942-5000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): 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 Wisconsin School Of Medicine, class of 2021
## Record status
- **NPPES last updated:** June 23, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1023697281) · Data from the CMS NPPES public registry.