DR. GIA M COMPAGNONI M.D.
NPI 1225081029
Surgery in Bartlett, IL
About Dr. Gia M Compagnoni M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GIA M COMPAGNONI M.D. (NPI 1225081029) is an individual surgery provider in Bartlett, Illinois, licensed in Illinois (036100073) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Mchenry, and is a graduate of Northwestern University Feinberg Medical School (1999).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Gia M Compagnoni 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 Gia Compagnoni reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Elk Grove Village, IL 60007
- Reassigned Medicare billing, Illinois enrollment
- 281 clinicians in this Medicare group
Barrington, IL 60010
- Reassigned Medicare billing, Illinois enrollment
- 10 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 19
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwestern Medicine Mchenry
Acute Care Hospitals · Mchenry, ILAlexian Brothers Medical Center 1
Acute Care Hospitals · Elk Grove Village, ILSt Alexius Medical Center
Acute Care Hospitals · Hoffman Estates, ILAdvocate Good Shepherd Hospital
Acute Care Hospitals · Barrington, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60103 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
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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Gia Compagnoni's NPI number?
The NPI number for Gia Compagnoni is 1225081029. It was assigned to this individual provider in the NPPES registry on May 19, 2006.
Where is Gia Compagnoni located?
Gia Compagnoni practices at 1041 W Stearns Rd, Bartlett, IL 60103. The listed phone number is (224) 273-5120.
What is Gia Compagnoni's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Gia Compagnoni enrolled in Medicare?
Yes. Gia Compagnoni 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 Gia Compagnoni's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gia Compagnoni reassigns Medicare benefits to 2 organizations: Bonaventure Medical Foundation, LLC (Elk Grove Village, IL) and Advanced Surgical Care Of Northern Illinois, Ltd (Barrington, 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 Gia Compagnoni's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gia Compagnoni accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Gia Compagnoni 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 Gia Compagnoni affiliated with any hospitals?
According to CMS data, Gia Compagnoni is affiliated with Northwestern Medicine Mchenry, Alexian Brothers Medical Center 1, St Alexius Medical Center and Advocate Good Shepherd Hospital.
When was this NPI record last updated?
The NPPES record for Gia Compagnoni was last updated on April 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.