DR. RAJEEV S KALSI M.D.
NPI 1447464292
Emergency Medicine in Naperville, IL
About Dr. Rajeev S Kalsi M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RAJEEV S KALSI M.D. (NPI 1447464292) is an individual emergency medicine provider in Naperville, Illinois, licensed in Illinois (036.122489) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Copley Memorial Hospital, and maintains a secondary practice location in Princeton.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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 and accepts Medicare assignment
Dr. Rajeev S Kalsi 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
7Medicare enrollment records show Rajeev Kalsi reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Aurora, IL 60504
- Reassigned Medicare billing, Illinois enrollment
- 116 clinicians in this Medicare group
Winfield, IL 60190
- Reassigned Medicare billing, Illinois enrollment
- 129 clinicians in this Medicare group
Winfield, IL 60190
- Reassigned Medicare billing, Illinois enrollment
- 64 clinicians in this Medicare group
Evergreen Park, IL 60805
- Reassigned Medicare billing, Illinois enrollment
- 183 clinicians in this Medicare group
Rockford, IL 61114
- Reassigned Medicare billing, Illinois enrollment
- 1,375 clinicians in this Medicare group
Peoria, IL 61615
- Reassigned Medicare billing, Illinois enrollment
- 2,944 clinicians in this Medicare group
- Reassigned Medicare billing, Illinois enrollment
- 55 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 4
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Copley Memorial Hospital
Acute Care Hospitals · Aurora, ILOsf Saint Clare Medical Center
Critical Access Hospitals · Princeton, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60563 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.
NAPERVILLE, IL 60563
NAPERVILLE, IL 60563
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 Rajeev Kalsi's NPI number?
The NPI number for Rajeev Kalsi is 1447464292. It was assigned to this individual provider in the NPPES registry on May 10, 2007.
Where is Rajeev Kalsi located?
Rajeev Kalsi practices at 636 Raymond Dr Suite 106, Naperville, IL 60563. The listed phone number is (630) 933-1600.
What is Rajeev Kalsi's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Rajeev Kalsi enrolled in Medicare?
Yes. Rajeev Kalsi 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 Rajeev Kalsi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rajeev Kalsi reassigns Medicare benefits to 7 organizations: Aurora Emergency Physicians, LLC (Aurora, IL), Central Dupage Hospital Association (Winfield, IL), Central Dupage Emergency Physicians, PC (Winfield, IL), Osf Healthcare System (Evergreen Park, IL), Rockford Health Physicians (Rockford, IL) and 2 more organizations, listed in the Medicare section above. 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 Rajeev Kalsi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Rajeev Kalsi affiliated with any hospitals?
According to CMS data, Rajeev Kalsi is affiliated with Copley Memorial Hospital and Osf Saint Clare Medical Center.
When was this NPI record last updated?
The NPPES record for Rajeev Kalsi was last updated on December 9, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Rajeev S Kalsi, M.D. · NPI 1447464292
Emergency Medicine physician in Naperville, Illinois. Individual provider, active in the CMS NPPES registry since May 10, 2007.
## Identity
- **NPI:** 1447464292 (Entity type: Individual)
- **Enumerated:** May 10, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 036.122489 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 636 RAYMOND DR, SUITE 106, Naperville, IL 60563-7978
- **Phone:** (630) 933-1600
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Aurora Emergency Physicians, LLC (NPI 1508389628, Aurora, IL); Central Dupage Hospital Association (NPI 1003864810, Winfield, IL); Central Dupage Emergency Physicians, PC (NPI 1619074028, Winfield, IL); Osf Healthcare System (NPI 1215572045, Evergreen Park, IL); Rockford Health Physicians (NPI 1043242886, Rockford, IL); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rush Medical College Of Rush University, class of 2005
## Record status
- **NPPES last updated:** December 9, 2020
- **Other identifiers:** Medicaid 036122489 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1447464292) · Data from the CMS NPPES public registry.