AMER AL HOMSSI M.D.
NPI 1215483391
Internal Medicine - Hematology & Oncology in Chicago Ridge, IL
About Amer Al Homssi M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMER AL HOMSSI M.D. (NPI 1215483391) is an individual hematology & oncology provider in Chicago Ridge, Illinois, licensed in Illinois (036148318) and active in the NPI registry since August 2016. He is enrolled in Medicare PECOS, is affiliated with Presence Saint Joseph Medical Center, and maintains a secondary practice location in Olympia Fields.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
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
Amer Al Homssi 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 Amer Al Homssi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oak Lawn, IL 60453
- Reassigned Medicare billing, Illinois enrollment
- 57 clinicians in this Medicare group
Frankfort, IL 60423
- Reassigned Medicare billing, Illinois enrollment
- 148 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 4
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, ILMorris Hospital & Healthcare Centers
Acute Care Hospitals · Morris, ILPresence Mercy Medical Center
Acute Care Hospitals · Aurora, ILAdvocate Christ Hospital & Medical Center
Acute Care Hospitals · Oak Lawn, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60415 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 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO RIDGE, IL 60415
CHICAGO RIDGE, IL 60415
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 Amer Al Homssi's NPI number?
The NPI number for Amer Al Homssi is 1215483391. It was assigned to this individual provider in the NPPES registry on August 29, 2016.
Where is Amer Al Homssi located?
Amer Al Homssi practices at 10604 Southwest Hwy Ste 200, Chicago Ridge, IL 60415. The listed phone number is (708) 634-4644.
What is Amer Al Homssi's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Amer Al Homssi enrolled in Medicare?
Yes. Amer Al Homssi 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 Amer Al Homssi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amer Al Homssi reassigns Medicare benefits to 2 organizations: Affiliated Oncologists, LLC (Oak Lawn, IL) and Specialty Physicians Of Illinois, LLC (Frankfort, 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 Amer Al Homssi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Amer Al Homssi accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Amer Al Homssi 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 Amer Al Homssi affiliated with any hospitals?
According to CMS data, Amer Al Homssi is affiliated with Presence Saint Joseph Medical Center, Morris Hospital & Healthcare Centers, Presence Mercy Medical Center and Advocate Christ Hospital & Medical Center.
When was this NPI record last updated?
The NPPES record for Amer Al Homssi was last updated on September 22, 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.