DR. MICHAEL L RALLS MD
NPI 1366766974
Radiology - Diagnostic Radiology in Chicago, IL
About Dr. Michael L Ralls Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL L RALLS MD (NPI 1366766974) is an individual diagnostic radiology provider in Chicago, Illinois, licensed in Illinois (036.135896) and active in the NPI registry since March 2010. He is enrolled in Medicare PECOS, is affiliated with Rush Oak Park Hospital, and is a graduate of University Of Cincinnati College Of Medicine (2010).
NPPES Registry Identity
Specialties & Licenses
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. Michael L Ralls Md 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 Michael Ralls 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 and Indiana enrollments
- 2,169 clinicians in this Medicare group
Chicago, IL 60612
- Reassigned Medicare billing, Illinois and Indiana enrollments
- 548 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 34
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Rush Oak Park Hospital
Acute Care Hospitals · Oak Park, ILRush University Medical Center
Acute Care Hospitals · Chicago, ILUniversity Of Illinois Hospital And Clinics
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 7
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 Michael Ralls's NPI number?
The NPI number for Michael Ralls is 1366766974. It was assigned to this individual provider in the NPPES registry on March 25, 2010.
Where is Michael Ralls located?
Michael Ralls practices at 1725 W Harrison St Ste 437, Chicago, IL 60612. The listed phone number is (312) 563-4270.
What is Michael Ralls's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Michael Ralls enrolled in Medicare?
Yes. Michael Ralls 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 Michael Ralls's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Ralls reassigns Medicare benefits to 2 organizations: Rush University Medical Group (Chicago, IL) and Rush 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 Michael Ralls's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Michael Ralls affiliated with any hospitals?
According to CMS data, Michael Ralls is affiliated with Rush Oak Park Hospital, Rush University Medical Center and University Of Illinois Hospital And Clinics.
When was this NPI record last updated?
The NPPES record for Michael Ralls was last updated on February 22, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.