DR. SAJI OOMMEN M.D.,
NPI 1497856330
Internal Medicine in North Chicago, IL
About Dr. Saji Oommen M.d., NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SAJI OOMMEN M.D., (NPI 1497856330) is an individual internal medicine provider in North Chicago, Illinois, licensed in Illinois (036088920) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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)
Dr. Saji Oommen M.d., is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Saji Oommen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chicago, IL 60625
- Reassigned Medicare billing, Illinois enrollment
- 350 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 60064 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.
NORTH CHICAGO, IL 60064
NORTH CHICAGO, IL 60064
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 Saji Oommen's NPI number?
The NPI number for Saji Oommen is 1497856330. It was assigned to this individual provider in the NPPES registry on September 25, 2006.
Where is Saji Oommen located?
Saji Oommen practices at 3001 Green Bay Rd, North Chicago, IL 60064. The listed phone number is (224) 610-3871.
What is Saji Oommen's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Saji Oommen enrolled in Medicare?
Yes. Saji Oommen is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Saji Oommen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Saji Oommen reassigns Medicare benefits to Swedish Covenant Management Services, Inc (Chicago, 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 Saji Oommen'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 Saji Oommen was last updated on February 29, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.