ROBERT ARONSON M.D.
NPI 1598824039
Internal Medicine - Sleep Medicine in Olympia Fields, IL
About Robert Aronson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBERT ARONSON M.D. (NPI 1598824039) is an individual sleep medicine provider in Olympia Fields, Illinois, licensed in Illinois (36069751) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Robert Aronson M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Robert Aronson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Olympia Fields, IL 60461
- Reassigned Medicare billing, Illinois enrollment
- 4 clinicians in this Medicare group
Oak Lawn, IL 60453
- Reassigned Medicare billing, Illinois enrollment
- 4,870 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60461 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 14
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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OLYMPIA FIELDS, IL 60461
OLYMPIA FIELDS, IL 60461
OLYMPIA FIELDS, IL 60461
OLYMPIA FIELDS, IL 60461
OLYMPIA FIELDS, IL 60461
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 Robert Aronson's NPI number?
The NPI number for Robert Aronson is 1598824039. It was assigned to this individual provider in the NPPES registry on December 8, 2006.
Where is Robert Aronson located?
Robert Aronson practices at 20303 Crawford Ave Ste 120, Olympia Fields, IL 60461. The listed phone number is (708) 983-6060.
What is Robert Aronson's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.
Is Robert Aronson enrolled in Medicare?
Yes. Robert Aronson is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Robert Aronson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Aronson reassigns Medicare benefits to 2 organizations: Prairie State Pulmonary & Sleep Consultants, LLC (Olympia Fields, IL) and Advocate Health And Hospitals Corporation (Oak Lawn, 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 Robert Aronson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Robert Aronson was last updated on December 10, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.