DUPAGE FAMILY MEDICINE
NPI 1235315458
Family Medicine in Naperville, IL
About Dupage Family Medicine NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DUPAGE FAMILY MEDICINE (NPI 1235315458) is a healthcare organization registered as a family medicine in Naperville, Illinois and active in the NPI registry since January 2008. The organization holds a CLIA Microscopy certificate valid through August 31, 2028 and lists James George Cunnar, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dupage Family Medicine is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Dupage Family Medicine, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate for Provider-Performed Microscopy Procedures (PPMP) 14D0421830
Dupage Family Medicine Sc · Naperville, ILFrequently 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 James G Cunnar MD Sc's NPI number?
The NPI number for James G Cunnar MD Sc is 1235315458. It was assigned to this organization in the NPPES registry on January 17, 2008. The provider is doing business as Dupage Family Medicine.
Where is James G Cunnar MD Sc located?
James G Cunnar MD Sc is located at 2272 W 95th St Suite 325, Naperville, IL 60564. The listed phone number is (630) 778-4700.
What is James G Cunnar MD Sc's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is James G Cunnar MD Sc enrolled in Medicare?
Yes. James G Cunnar MD Sc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through James G Cunnar MD Sc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to James G Cunnar MD Sc. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does James G Cunnar MD Sc hold a CLIA laboratory certificate?
Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 14D0421830) is associated with this NPI, valid through August 31, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for James G Cunnar MD Sc was last updated on March 10, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Dupage Family Medicine · NPI 1235315458
Family Medicine organization in Naperville, Illinois. Organization record, active in the CMS NPPES registry since January 17, 2008.
## Identity
- **NPI:** 1235315458 (Entity type: Organization)
- **Enumerated:** January 17, 2008
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **Legal business name:** James G Cunnar Md Sc
- **Organization subpart:** No
- **Authorized official:** James Cunnar, OWNER
## Practice location
- **Address:** 2272 W 95TH ST, SUITE 325, Naperville, IL 60564-8942
- **Phone:** (630) 778-4700
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Family Practice) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 10, 2009
- **Other identifiers:** Medicare PIN 566180 (IL)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1235315458) · Data from the CMS NPPES public registry.