1. Home
  2. Directory
  3. Illinois
  4. Homewood
  5. Internal Medicine
  6. NPI Profile

ROBERT C KAISER M.D.
NPI 1255362000
Internal Medicine - Gastroenterology in Homewood, IL

Active since July 06, 2006PECOS Enrolled
85.09/100
CMS Quality Rating
17901 GOVERNORS HWY, SUITE 208, HOMEWOOD, IL 60430(708) 799-3305(708) 799-7220 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Robert C Kaiser M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ROBERT C KAISER M.D. (NPI 1255362000) is an individual gastroenterology provider in Homewood, Illinois, licensed in Illinois (036062816) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1255362000
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameROBERT C KAISERCredential: M.D.
Location Address17901 GOVERNORS HWY, SUITE 208Homewood, IL 60430-1144
Mailing Address17901 Governors Hwy, Suite 208Homewood, IL 60430-1144 · (708) 799-3305 · Fax (708) 799-7220
Phone(708) 799-3305
Fax(708) 799-7220
Sole ProprietorNo
Enumeration DateJuly 6, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1255362000 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 · 036062816
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.
17901 GOVERNORS HWY, Homewood, IL 60430
Open in Google Maps ↗

Other Identifiers 3

Medicaid036062816IL
Medicare UPIND13661IL
Medicare ID-Type UnspecifiedL73674IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Robert C Kaiser M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Robert Kaiser reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Illinois Gastroenterology Group, LLC
48 mi
Gastroenterology
745 FLETCHER DRIVE
Elgin, IL 60123
  • Reassigned Medicare billing, Illinois enrollment
  • 235 clinicians in this Medicare group
NPI 1316277817 (847) 888-1300
Gi Partners Of Illinois, PLLC
53 mi
Gastroenterology
1880 W WINCHESTER RD, #201
Libertyville, IL 60048
  • Reassigned Medicare billing, Illinois enrollment
  • 74 clinicians in this Medicare group
NPI 1548613995 (847) 247-0187

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60430 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

85.09/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality73.16
Promoting Interoperability99
Improvement Activities40
Cost77.98

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.

IMPROMED INC
Durable Medical Equipment & Medical Supplies
17901 GOVERNORS HWY, SUITE 204
HOMEWOOD, IL 60430
Cook County (708) 957-3300
WOMENS HEALTHCARE ASSOCIATES OF IL, SC
Obstetrics & Gynecology (Obstetrics)
17901 GOVERNORS HWY, SUITE 103
HOMEWOOD, IL 60430
Cook County (708) 799-6450
KURANI MED INC
Family Medicine
17901 GOVERNORS HWY, SUITE 207A
HOMEWOOD, IL 60430
Cook County (708) 206-0880
LINDA GIRARDOT APRN
Nurse Anesthetist, Certified Registered
17901 GOVERNORS HWY
HOMEWOOD, IL 60430
Cook County (708) 799-3305
DILIP SHAH MD
Internal Medicine (Cardiovascular Disease)
17901 GOVERNORS HWY, SUITE 101
HOMEWOOD, IL 60430
Cook County (708) 799-0180
INTERMED ONCOLOGY
Specialist
17901 GOVERNORS HWY
HOMEWOOD, IL 60430
Cook County (708) 957-2100
RAM K GOPI MD
Internal Medicine
17901 GOVERNORS HWY, #207
HOMEWOOD, IL 60430
Cook County (708) 799-8787
VIPUL M. PATEL
Durable Medical Equipment & Medical Supplies
17901 GOVERNORS HWY, SUITE 205
HOMEWOOD, IL 60430
Cook County (708) 206-0777

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 Robert Kaiser's NPI number?

The NPI number for Robert Kaiser is 1255362000. It was assigned to this individual provider in the NPPES registry on July 6, 2006.

Where is Robert Kaiser located?

Robert Kaiser practices at 17901 Governors Hwy Suite 208, Homewood, IL 60430. The listed phone number is (708) 799-3305.

What is Robert Kaiser's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Robert Kaiser enrolled in Medicare?

Yes. Robert Kaiser is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Robert Kaiser's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Kaiser reassigns Medicare benefits to 2 organizations: Illinois Gastroenterology Group, LLC (Elgin, IL) and Gi Partners Of Illinois, PLLC (Libertyville, 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 Robert Kaiser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Robert Kaiser accept?

Health plans from Oscar Health list Robert Kaiser 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.

When was this NPI record last updated?

The NPPES record for Robert Kaiser was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.