GREGORY GEORGE CARONIS MD
NPI 1659362432
Orthopaedic Surgery in Lincolnshire, IL
About Gregory George Caronis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY GEORGE CARONIS MD (NPI 1659362432) is an individual orthopaedic surgery provider in Lincolnshire, Illinois, licensed in Illinois (036097895) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Advocate Condell Medical Center, and is a graduate of Northwestern University Feinberg Medical School (1992).
NPPES Registry Identity
Specialties & Licenses 2
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 and accepts Medicare assignment
Gregory George Caronis 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 Reassignment
Medicare enrollment records show Gregory Caronis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Park Ridge, IL 60068
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Advocate Health And Hospitals Corporation
- 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.
Areas of Expertise CMS Part B claims 24
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Advocate Condell Medical Center
Acute Care Hospitals · Libertyville, ILAdvocate Lutheran General Hospital
Acute Care Hospitals · Park Ridge, ILAdvocate Good Shepherd Hospital
Acute Care Hospitals · Barrington, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60069 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.
LINCOLNSHIRE, IL 60069
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 Gregory Caronis's NPI number?
The NPI number for Gregory Caronis is 1659362432. It was assigned to this individual provider in the NPPES registry on November 2, 2005.
Where is Gregory Caronis located?
Gregory Caronis practices at 100 Village Grn Ste 120, Lincolnshire, IL 60069. The listed phone number is (847) 634-1766.
What is Gregory Caronis's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Gregory Caronis enrolled in Medicare?
Yes. Gregory Caronis 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 organization bills Medicare for Gregory Caronis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Caronis reassigns Medicare benefits to Lutheran General Hospital (Park Ridge, IL). 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 Gregory Caronis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregory Caronis accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Gregory Caronis 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 Gregory Caronis affiliated with any hospitals?
According to CMS data, Gregory Caronis is affiliated with Advocate Condell Medical Center, Advocate Lutheran General Hospital and Advocate Good Shepherd Hospital.
When was this NPI record last updated?
The NPPES record for Gregory Caronis was last updated on December 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.