DR. ABDULRAHMAN DIA MD
NPI 1801209671
Internal Medicine - Interventional Cardiology in Oak Lawn, IL
About Dr. Abdulrahman Dia Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ABDULRAHMAN DIA MD (NPI 1801209671) is an individual interventional cardiology provider in Oak Lawn, Illinois, licensed in Illinois (036-142316) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS, is affiliated with Advocate Trinity Hospital, and maintains a secondary practice location in New Lenox.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Dr. Abdulrahman Dia 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
2Medicare enrollment records show Abdulrahman Dia 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
- 4,870 clinicians in this Medicare group
Downers Grove, IL 60515
- Reassigned Medicare billing, Illinois enrollment
- 1,061 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 28
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.
Advocate Trinity Hospital
Acute Care Hospitals · Chicago, ILPalos Community Hospital
Acute Care Hospitals · Palos Heights, ILAdvocate Illinois Masonic Medical Center
Acute Care Hospitals · Chicago, ILAdvocate Christ Hospital & Medical Center
Acute Care Hospitals · Oak Lawn, ILSilver Cross Hospital And Medical Centers
Acute Care Hospitals · New Lenox, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60453 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.
OAK LAWN, IL 60453
OAK LAWN, IL 60453
OAK LAWN, IL 60453
OAK LAWN, IL 60453
OAK LAWN, IL 60453
OAK LAWN, IL 60453
OAK LAWN, IL 60453
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 Abdulrahman Dia's NPI number?
The NPI number for Abdulrahman Dia is 1801209671. It was assigned to this individual provider in the NPPES registry on June 9, 2014.
Where is Abdulrahman Dia located?
Abdulrahman Dia practices at 10837 S Cicero Ave Ste 200, Oak Lawn, IL 60453. The listed phone number is (708) 636-7575.
What is Abdulrahman Dia's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is Abdulrahman Dia enrolled in Medicare?
Yes. Abdulrahman Dia 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 Abdulrahman Dia's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Abdulrahman Dia reassigns Medicare benefits to 2 organizations: Advocate Health And Hospitals Corporation (Oak Lawn, IL) and Dupage Medical Group Ltd (Downers Grove, 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 Abdulrahman Dia's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Abdulrahman Dia accept?
Health plans from Oscar Health list Abdulrahman Dia 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 Abdulrahman Dia affiliated with any hospitals?
According to CMS data, Abdulrahman Dia is affiliated with Advocate Trinity Hospital, Palos Community Hospital, Advocate Illinois Masonic Medical Center, Advocate Christ Hospital & Medical Center and Silver Cross Hospital And Medical Centers.
When was this NPI record last updated?
The NPPES record for Abdulrahman Dia was last updated on January 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.