WALTER ROSENBERG
NPI 1922887256
Social Worker - Clinical in Chicago, IL
About Walter Rosenberg NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WALTER ROSENBERG (NPI 1922887256) is an individual clinical provider in Chicago, Illinois, licensed in Illinois (149016858) and active in the NPI registry since September 2023. He is enrolled in Medicare PECOS and is a graduate of Other (2009).
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
Walter Rosenberg 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 Walter Rosenberg reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60612
- Reassigned Medicare billing, Illinois enrollment
- 48 clinicians in this Medicare group
Chicago, IL 60612
- Reassigned Medicare billing, Illinois enrollment
- 2,169 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 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.
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 Walter Rosenberg's NPI number?
The NPI number for Walter Rosenberg is 1922887256. It was assigned to this individual provider in the NPPES registry on September 26, 2023.
Where is Walter Rosenberg located?
Walter Rosenberg practices at 710 S Paulina St Ste 438, Chicago, IL 60612. The listed phone number is (312) 942-4099.
What is Walter Rosenberg's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Walter Rosenberg enrolled in Medicare?
Yes. Walter Rosenberg 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 Walter Rosenberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Walter Rosenberg reassigns Medicare benefits to 2 organizations: Rush University Medical Center (Chicago, IL) and Rush University Medical Group (Chicago, IL). 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 Walter Rosenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Walter Rosenberg accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Walter Rosenberg 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 Walter Rosenberg was last updated on September 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Walter Rosenberg · NPI 1922887256
Clinical provider in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since September 26, 2023.
## Identity
- **NPI:** 1922887256 (Entity type: Individual)
- **Enumerated:** September 26, 2023
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 149016858 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 710 S PAULINA ST STE 438, Chicago, IL 60612-3808
- **Phone:** (312) 942-4099
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Rush University Medical Center (NPI 1932213600, Chicago, IL); Rush University Medical Group (NPI 1093819542, Chicago, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** September 26, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1922887256) · Data from the CMS NPPES public registry.