KEITH BRUNINGA M.D.
NPI 1881638823
Internal Medicine - Gastroenterology in Chicago, IL

Active since June 16, 2006PECOS EnrolledAccepts Medicare Assignment
1725 W HARRISON ST, SUITE 207, CHICAGO, IL 60612(312) 942-5861 Get Directions Write a Review

NPPES record last updated: October 10, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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

NPI1881638823
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameKEITH BRUNINGACredential: M.D.
Location Address1725 W HARRISON ST, SUITE 207Chicago, IL 60612-3841
Mailing Address1725 W Harrison St, Suite 207Chicago, IL 60612-3841 · (312) 942-5861
Sole ProprietorNo
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 1990
Enumeration DateJune 16, 2006
Last NPPES UpdateOctober 10, 2023
NPPES CertifiedOctober 10, 2023
✔ NPI 1881638823 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in IL · 036-081809
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
1725 W HARRISON ST, Chicago, IL 60612

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.

PECOS PAC ID8628261278
PECOS Enrollment IDI20101015000289
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare 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.

Internal Medicine
1620 W HARRISON ST
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • 2,169 clinicians in this Medicare group
General Practice
2160 S 1ST AVE
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.

Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
17 services17 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
12 services12 patients

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, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140276
Location2160 S 1st AvenueMaywood, IL 60153 · Cook County
Emergency services Birthing friendly

Physician 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.

New Patient
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Internal Medicine (Medical Oncology)
1725 W HARRISON ST, SUITE 809
CHICAGO, IL 60612
Clinic/Center (Ophthalmologic Surgery)
1725 W HARRISON ST, STE 910
CHICAGO, IL 60612
Pediatrics (Pediatric Infectious Diseases)
1725 W HARRISON ST, SUITE 710
CHICAGO, IL 60612
Internal Medicine (Hematology)
1725 W HARRISON ST, SUITE 1010
CHICAGO, IL 60612
Internal Medicine
1725 W HARRISON ST, SUITE 263
CHICAGO, IL 60612
Specialist
1725 W HARRISON ST, SUITE 744
CHICAGO, IL 60612
Radiology (Diagnostic Radiology)
1725 W HARRISON ST, SUITE 155
CHICAGO, IL 60612
Specialist
1725 W HARRISON ST, SUITE 762
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.