DR. MUSA AJAMU WILLIAMS MD
NPI 1760941991
Family Medicine in Chicago, IL
About Dr. Musa Ajamu Williams Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MUSA AJAMU WILLIAMS MD (NPI 1760941991) is an individual family medicine provider in Chicago, Illinois, licensed in Illinois (036.169888) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Saint Anthony Hospital, and is a graduate of Louisiana State University School Of Medicine In New Orleans (2019).
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. Musa Ajamu Williams 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
3Medicare enrollment records show Musa Williams reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60623
- Reassigned Medicare billing, Illinois enrollment
- 24 clinicians in this Medicare group
Calumet City, IL 60409
- Reassigned Medicare billing, Illinois enrollment
- 84 clinicians in this Medicare group
Hillsboro, IL 62049
- Reassigned Medicare billing, Illinois enrollment
- 12 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.
Saint Anthony Hospital
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 60623 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 60623
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 Musa Williams's NPI number?
The NPI number for Musa Williams is 1760941991. It was assigned to this individual provider in the NPPES registry on March 18, 2019.
Where is Musa Williams located?
Musa Williams practices at 2875 W 19th St, Chicago, IL 60623. The listed phone number is (773) 484-1000.
What is Musa Williams's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Musa Williams enrolled in Medicare?
Yes. Musa Williams 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 Musa Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Musa Williams reassigns Medicare benefits to 3 organizations: St Anthony Emergency Services Physician Group (Chicago, IL), Harvey Emergency Physicians, PLLC (Calumet City, IL) and Hillsboro Area Hospital, Inc. (Hillsboro, 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 Musa Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Musa Williams affiliated with any hospitals?
According to CMS data, Musa Williams is affiliated with Saint Anthony Hospital and Ingalls Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Musa Williams was last updated on July 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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. Musa Ajamu Williams, MD · NPI 1760941991
Family Medicine physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since March 18, 2019.
## Identity
- **NPI:** 1760941991 (Entity type: Individual)
- **Enumerated:** March 18, 2019
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 036.169888 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 2875 W 19TH ST, Chicago, IL 60623-3501
- **Phone:** (773) 484-1000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): St Anthony Emergency Services Physician Group (NPI 1760587703, Chicago, IL); Harvey Emergency Physicians, PLLC (NPI 1184281651, Calumet City, IL); Hillsboro Area Hospital, Inc. (NPI 1003896499, Hillsboro, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Louisiana State University School Of Medicine In New Orleans, class of 2019
## Record status
- **NPPES last updated:** July 10, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1760941991) · Data from the CMS NPPES public registry.