DR. RONALD GENE THOMAS M.D.
NPI 1215028139
Emergency Medicine in Arlington Heights, IL
About Dr. Ronald Gene Thomas M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RONALD GENE THOMAS M.D. (NPI 1215028139) is an individual emergency medicine provider in Arlington Heights, Illinois, licensed in Illinois (036097337) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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 (PECOS)
Dr. Ronald Gene Thomas M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ronald Thomas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Elyria, OH 44035
- Reassigned Medicare billing, Ohio enrollment
- 251 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 60005 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.
ARLINGTON HEIGHTS, IL 60005
ARLINGTON HEIGHTS, IL 60005
ARLINGTON HEIGHTS, IL 60005
ARLINGTON HEIGHTS, IL 60005
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 Ronald Thomas's NPI number?
The NPI number for Ronald Thomas is 1215028139. It was assigned to this individual provider in the NPPES registry on September 27, 2006.
Where is Ronald Thomas located?
Ronald Thomas practices at 800 W Central Rd, Arlington Heights, IL 60005. The listed phone number is (847) 618-4025.
What is Ronald Thomas's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Ronald Thomas enrolled in Medicare?
Yes. Ronald Thomas is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ronald Thomas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ronald Thomas reassigns Medicare benefits to Physicians Link Center LLC (Elyria, OH). The 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 Ronald Thomas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ronald Thomas accept?
Health plans from CareSource and CareSource (Common Ground Healthcare) list Ronald Thomas 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.
When was this NPI record last updated?
The NPPES record for Ronald Thomas was last updated on November 18, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.