SAJA MUSTAFA ALI MD
NPI 1053932848
Internal Medicine - Rheumatology in Flossmoor, IL
About Saja Mustafa Ali Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAJA MUSTAFA ALI MD (NPI 1053932848) is an individual rheumatology provider in Flossmoor, Illinois, licensed in Illinois (036176187) and active in the NPI registry since May 2020. She is enrolled in Medicare PECOS, is affiliated with The University Of Chicago Medical Center, and maintains a secondary practice location in Baltimore.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Saja Mustafa Ali 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 Reassignment
Medicare enrollment records show Saja Mustafa Ali reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Harvey, IL 60426
- Reassigned Medicare billing, Illinois enrollment
- 126 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
The University Of Chicago Medical Center
Acute Care Hospitals · Chicago, ILIngalls Memorial Hospital
Acute Care Hospitals · Harvey, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60422 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FLOSSMOOR, IL 60422
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 Saja Mustafa Ali's NPI number?
The NPI number for Saja Mustafa Ali is 1053932848. It was assigned to this individual provider in the NPPES registry on May 3, 2020.
Where is Saja Mustafa Ali located?
Saja Mustafa Ali practices at 19550 Governors Hwy Ste 2200, Flossmoor, IL 60422. The listed phone number is (708) 915-3100.
What is Saja Mustafa Ali's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Saja Mustafa Ali enrolled in Medicare?
Yes. Saja Mustafa Ali 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 organization bills Medicare for Saja Mustafa Ali's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Saja Mustafa Ali reassigns Medicare benefits to Ucm Medical Group Sub, LLC (Harvey, IL). The 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 Saja Mustafa Ali's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Saja Mustafa Ali affiliated with any hospitals?
According to CMS data, Saja Mustafa Ali is affiliated with The University Of Chicago Medical Center and Ingalls Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Saja Mustafa Ali was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.
# Saja Mustafa Ali, MD · NPI 1053932848
Rheumatology physician in Flossmoor, Illinois. Individual provider, active in the CMS NPPES registry since May 3, 2020.
## Identity
- **NPI:** 1053932848 (Entity type: Individual)
- **Enumerated:** May 3, 2020
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** 036176187 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 19550 GOVERNORS HWY STE 2200, Flossmoor, IL 60422-2137
- **Phone:** (708) 915-3100 · **Fax:** (708) 915-8720
## 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:** Ucm Medical Group Sub, LLC (NPI 1467442293, Harvey, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** September 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1053932848) · Data from the CMS NPPES public registry.