TONJA R AUSTIN MD
NPI 1558375030
Family Medicine in Tinley Park, IL
About Tonja R Austin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TONJA R AUSTIN MD (NPI 1558375030) is an individual family medicine provider in Tinley Park, Illinois, licensed in Illinois (036103250) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Rush University Medical Center, and is a graduate of Northwestern University Feinberg Medical School (1998).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Tonja R Austin 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 Tonja Austin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oak Brook, IL 60523
- Reassigned Medicare billing, Illinois and Indiana enrollments
- Medicare enrollment name: Rush University Medical Group
- Also billed through NPI 1093819542 (Indiana)
- 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 22
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Rush University Medical Center
Acute Care Hospitals · Chicago, ILFranciscan Health Olympia & Chicago Heights
Acute Care Hospitals · Olympia Fields, ILIngalls Memorial Hospital
Acute Care Hospitals · Harvey, ILCommunity Hospital
Acute Care Hospitals · Munster, INFranciscan Health Munster
Acute Care Hospitals · Munster, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60477 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 5
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 3
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 Tonja Austin's NPI number?
The NPI number for Tonja Austin is 1558375030. It was assigned to this individual provider in the NPPES registry on July 28, 2006.
Where is Tonja Austin located?
Tonja Austin practices at 16650 Harlem Ave Ste 1, Tinley Park, IL 60477. The listed phone number is (708) 444-1512.
What is Tonja Austin's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Tonja Austin enrolled in Medicare?
Yes. Tonja Austin 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 Tonja Austin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tonja Austin reassigns Medicare benefits to 2 organizations: Rush University Medical Center (Oak Brook, 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 Tonja Austin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Tonja Austin affiliated with any hospitals?
According to CMS data, Tonja Austin is affiliated with Rush University Medical Center, Franciscan Health Olympia & Chicago Heights, Ingalls Memorial Hospital, Community Hospital and Franciscan Health Munster.
When was this NPI record last updated?
The NPPES record for Tonja Austin was last updated on December 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.