DR. OMER YUSAF MD
NPI 1669585956
Hospitalist in Joliet, IL
About Dr. Omer Yusaf Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. OMER YUSAF MD (NPI 1669585956) is an individual hospitalist provider in Joliet, Illinois, licensed in Illinois (036121271) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Presence Saint Joseph Medical Center, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
Other Identifiers 2
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
Dr. Omer Yusaf 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
16Medicare enrollment records show Omer Yusaf reassigns Medicare billing to 16 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Joliet, IL 60435
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Des Plaines Physician Services PC
- 21 clinicians in this Medicare group
Willowbrook, IL 60527
- Reassigned Medicare billing, Illinois enrollment
- 17 clinicians in this Medicare group
Downers Grove, IL 60515
- Reassigned Medicare billing, Illinois enrollment
- 1,061 clinicians in this Medicare group
Munster, IN 46321
- Reassigned Medicare billing, Indiana enrollment
- 228 clinicians in this Medicare group
Ottawa, IL 61350
- Reassigned Medicare billing, Illinois enrollment
- 233 clinicians in this Medicare group
Des Plaines, IL 60016
- Reassigned Medicare billing, Illinois enrollment
- 443 clinicians in this Medicare group
Evanston, IL 60202
- Reassigned Medicare billing, Illinois enrollment
- 87 clinicians in this Medicare group
Harvard, IL 60033
- Reassigned Medicare billing, Illinois enrollment
- 382 clinicians in this Medicare group
Rockford, IL 61114
- Reassigned Medicare billing, Illinois enrollment
- 1,375 clinicians in this Medicare group
Bloomington, IL 61701
- Reassigned Medicare billing, Illinois enrollment
- 329 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 6
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.
Presence Saint Joseph Medical Center
Acute Care Hospitals · Joliet, ILPalos Community Hospital
Acute Care Hospitals · Palos Heights, ILOsf Saint Elizabeth Mdl Ctr
Acute Care Hospitals · Ottawa, ILPresence St Marys Hospital
Acute Care Hospitals · Kankakee, ILSt Alexius Medical Center
Acute Care Hospitals · Hoffman Estates, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60435 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 3
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 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 Omer Yusaf's NPI number?
The NPI number for Omer Yusaf is 1669585956. It was assigned to this individual provider in the NPPES registry on August 17, 2006.
Where is Omer Yusaf located?
Omer Yusaf practices at 2100 Glenwood Ave, Joliet, IL 60435. The listed phone number is (815) 725-2121.
What is Omer Yusaf's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Omer Yusaf enrolled in Medicare?
Yes. Omer Yusaf 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 Omer Yusaf's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Omer Yusaf reassigns Medicare benefits to 16 organizations: Des Plaines Physician Services, P.C. (Joliet, IL), Pai Participant 27, PC (Willowbrook, IL), Dupage Medical Group Ltd (Downers Grove, IL), Galen Inpatient Physicians PC (Munster, IN), 24 On Physicians, PC (Ottawa, IL) and 11 more organizations, listed in the Medicare section above. 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 Omer Yusaf's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Omer Yusaf accept?
Health plans from Wellmark Health Plan of Iowa, Inc. list Omer Yusaf 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.
Is Omer Yusaf affiliated with any hospitals?
According to CMS data, Omer Yusaf is affiliated with Presence Saint Joseph Medical Center, Palos Community Hospital, Osf Saint Elizabeth Mdl Ctr, Presence St Marys Hospital and St Alexius Medical Center.
When was this NPI record last updated?
The NPPES record for Omer Yusaf was last updated on April 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Dr. Omer Yusaf, MD · NPI 1669585956
Hospitalist physician in Joliet, Illinois. Individual provider, active in the CMS NPPES registry since August 17, 2006.
## Identity
- **NPI:** 1669585956 (Entity type: Individual)
- **Enumerated:** August 17, 2006
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 036121271 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 2100 GLENWOOD AVE, Joliet, IL 60435-5487
- **Phone:** (815) 725-2121 · **Fax:** (815) 744-3117
## 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:** 16 organizations under Medicare reassignment (form CMS-855R): Des Plaines Physician Services, P.C. (NPI 1164284055, Joliet, IL); Pai Participant 27, PC (NPI 1093398539, Willowbrook, IL); Dupage Medical Group Ltd (NPI 1801833983, Downers Grove, IL); Galen Inpatient Physicians PC (NPI 1275252090, Munster, IN); 24 On Physicians, PC (NPI 1346480431, Ottawa, IL); and 11 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1996
## Record status
- **NPPES last updated:** April 4, 2025
- **Other identifiers:** Medicaid 036121271 (IL); Medicaid 1669585956 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1669585956) · Data from the CMS NPPES public registry.