STEPHEN J BUNDRA MD SC
NPI 1770638959
Internal Medicine in Wilmette, IL
About Stephen J Bundra Md Sc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN J BUNDRA MD SC (NPI 1770638959) is a healthcare organization registered as an internal medicine in Wilmette, Illinois and active in the NPI registry since January 2007. The organization lists Stephen J Bundra, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
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)
Stephen J Bundra Md Sc 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 Stephen J Bundra MD Sc, 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.
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 Stephen J Bundra MD Sc's NPI number?
The NPI number for Stephen J Bundra MD Sc is 1770638959. It was assigned to this organization in the NPPES registry on January 25, 2007.
Where is Stephen J Bundra MD Sc located?
Stephen J Bundra MD Sc is located at 1921 Lake Ave Ste B, Wilmette, IL 60091. The listed phone number is (847) 853-9104.
What is Stephen J Bundra MD Sc's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Stephen J Bundra MD Sc enrolled in Medicare?
Yes. Stephen J Bundra MD Sc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Stephen J Bundra MD Sc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Stephen J Bundra 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.
When was this NPI record last updated?
The NPPES record for Stephen J Bundra MD Sc was last updated on February 21, 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.
# Stephen J Bundra Md Sc · NPI 1770638959
Internal Medicine organization in Wilmette, Illinois. Organization record, active in the CMS NPPES registry since January 25, 2007.
## Identity
- **NPI:** 1770638959 (Entity type: Organization)
- **Enumerated:** January 25, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** Stephen Bundra, PRESIDENT
## Practice location
- **Address:** 1921 LAKE AVE STE B, Wilmette, IL 60091-1480
- **Phone:** (847) 853-9104
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Internal Medicine) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 21, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1770638959) · Data from the CMS NPPES public registry.