KEITH BRUNINGA M.D.
NPI 1881638823
Internal Medicine - Gastroenterology in Chicago, IL
About Keith Bruninga M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KEITH BRUNINGA M.D. (NPI 1881638823) is an individual gastroenterology provider in Chicago, Illinois, licensed in Illinois (036-081809) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Loyola University Medical Center, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (1990).
NPPES Registry Identity
Specialties & Licenses
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
Keith Bruninga 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
2Medicare enrollment records show Keith Bruninga reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60612
- Reassigned Medicare billing, Illinois enrollment
- 2,169 clinicians in this Medicare group
Maywood, IL 60153
- Reassigned Medicare billing, Illinois enrollment
- 1,138 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 2
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.
Loyola University Medical Center
Acute Care Hospitals · Maywood, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60612 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.
CHICAGO, IL 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
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 Keith Bruninga's NPI number?
The NPI number for Keith Bruninga is 1881638823. It was assigned to this individual provider in the NPPES registry on June 16, 2006.
Where is Keith Bruninga located?
Keith Bruninga practices at 1725 W Harrison St Suite 207, Chicago, IL 60612. The listed phone number is (312) 942-5861.
What is Keith Bruninga's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Keith Bruninga enrolled in Medicare?
Yes. Keith Bruninga 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 Keith Bruninga's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Keith Bruninga reassigns Medicare benefits to 2 organizations: Rush University Medical Group (Chicago, IL) and Loyola University Medical Center (Maywood, 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 Keith Bruninga's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Keith Bruninga accept?
Health plans from Oscar Health list Keith Bruninga 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 Keith Bruninga affiliated with any hospitals?
According to CMS data, Keith Bruninga is affiliated with Loyola University Medical Center.
When was this NPI record last updated?
The NPPES record for Keith Bruninga was last updated on October 10, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.