DR. MARC J OVADIA M.D.
NPI 1356342398
Pediatrics - Pediatric Cardiology in Hoffman Estates, IL
About Dr. Marc J Ovadia M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARC J OVADIA M.D. (NPI 1356342398) is an individual pediatric cardiology provider in Hoffman Estates, Illinois, licensed in New York (170004) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Cgh Medical Center, and maintains a secondary practice location in Terre Haute.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
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
Dr. Marc J Ovadia 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
4Medicare enrollment records show Marc Ovadia reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hoffman Estates, IL 60169
- Reassigned Medicare billing, Illinois enrollment
Park Ridge, IL 60068
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Advocate Health And Hospitals Corporation
- 4,870 clinicians in this Medicare group
Rockford, IL 61114
- Reassigned Medicare billing, Illinois enrollment
- 1,375 clinicians in this Medicare group
Sterling, IL 61081
- Reassigned Medicare billing, Illinois enrollment
- 356 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 7
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cgh Medical Center
Acute Care Hospitals · Sterling, ILOther Providers at the Same Location NPPES 2
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 Marc Ovadia's NPI number?
The NPI number for Marc Ovadia is 1356342398. It was assigned to this individual provider in the NPPES registry on August 1, 2005.
Where is Marc Ovadia located?
Marc Ovadia practices at 1555 Barrington Rd. Ste. 3350, Hoffman Estates, IL 60169. The listed phone number is (847) 823-0843.
What is Marc Ovadia's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.
Is Marc Ovadia enrolled in Medicare?
Yes. Marc Ovadia 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 Marc Ovadia's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marc Ovadia reassigns Medicare benefits to 4 organizations: Ep Consultation Ltd (Hoffman Estates, IL), Lutheran General Hospital (Park Ridge, IL), Rockford Health Physicians (Rockford, IL) and Cgh Medical Center (Sterling, 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 Marc Ovadia's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marc Ovadia accept?
Health plans from Anthem Blue Cross and Blue Shield and Oscar Health list Marc Ovadia 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 Marc Ovadia affiliated with any hospitals?
According to CMS data, Marc Ovadia is affiliated with Cgh Medical Center.
When was this NPI record last updated?
The NPPES record for Marc Ovadia was last updated on September 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.