SOBIA N ANSARI M.D.
NPI 1942311956
Emergency Medicine in Chicago, IL
About Sobia N Ansari M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SOBIA N ANSARI M.D. (NPI 1942311956) is an individual emergency medicine provider in Chicago, Illinois and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Rush University Medical Center, and is a graduate of State University Of Ny Upstate Medical University (2003).
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
Sobia N Ansari M.d. 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 Sobia Ansari 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
- Medicare enrollment name: Rush University Medical Group
- 2,169 clinicians in this Medicare group
Oak Park, IL 60304
- Reassigned Medicare billing, Illinois enrollment
- 124 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 5
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
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
CHICAGO, IL 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
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 Sobia Ansari's NPI number?
The NPI number for Sobia Ansari is 1942311956. It was assigned to this individual provider in the NPPES registry on August 31, 2006.
Where is Sobia Ansari located?
Sobia Ansari practices at 1653 W Congress Pkwy 177 Murdock, Chicago, IL 60612. The listed phone number is (312) 942-8149.
What is Sobia Ansari's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Sobia Ansari enrolled in Medicare?
Yes. Sobia Ansari 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 Sobia Ansari's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sobia Ansari reassigns Medicare benefits to 2 organizations: Rush University Medical Center (Chicago, IL) and Rush Oak Park ER Physicians Group (Oak Park, 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 Sobia Ansari's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Sobia Ansari affiliated with any hospitals?
According to CMS data, Sobia Ansari is affiliated with Rush University Medical Center.
When was this NPI record last updated?
The NPPES record for Sobia Ansari was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Sobia N Ansari, M.D. · NPI 1942311956
Emergency Medicine physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since August 31, 2006.
## Identity
- **NPI:** 1942311956 (Entity type: Individual)
- **Enumerated:** August 31, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **Sole proprietor:** No
## Practice location
- **Address:** 1653 W CONGRESS PKWY, 177 MURDOCK, Chicago, IL 60612-3833
- **Phone:** (312) 942-8149
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **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): Rush University Medical Center (NPI 1184269425, Chicago, IL); Rush Oak Park ER Physicians Group (NPI 1447260880, Oak Park, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of Ny Upstate Medical University, class of 2003
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1942311956) · Data from the CMS NPPES public registry.