WILLIAM A KCOMT M.D.
NPI 1710989587
Internal Medicine - Rheumatology in La Grange, IL
About William A Kcomt M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM A KCOMT M.D. (NPI 1710989587) is an individual rheumatology provider in La Grange, Illinois, licensed in Illinois (180005257) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Presence Saint Joseph Medical Center, and is a graduate of Other (1994).
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
William A Kcomt M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show William Kcomt reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
La Grange, IL 60525
- Reassigned Medicare billing, Illinois enrollment
Oak Brook, IL 60523
- Reassigned Medicare billing, Illinois enrollment
- 63 clinicians in this Medicare group
Chicago, IL 60638
- Reassigned Medicare billing, Illinois enrollment
- 646 clinicians in this Medicare group
Chicago, IL 60631
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Chicago Physician Services PC
- 79 clinicians in this Medicare group
Des Plaines, IL 60016
- Reassigned Medicare billing, Illinois enrollment
- 443 clinicians in this Medicare group
Harvey, IL 60426
- Reassigned Medicare billing, Illinois enrollment
- 42 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 9
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Presence Saint Joseph Medical Center
Acute Care Hospitals · Joliet, ILAdventist La Grange Memorial Hospital
Acute Care Hospitals · La Grange, ILAdventist Hinsdale Hospital
Acute Care Hospitals · Hinsdale, ILPresence Saints Mary And Elizabeth Medical Center
Acute Care Hospitals · Chicago, ILPresence Saint Joseph Hospital - Chicago
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60525 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LA GRANGE, IL 60525
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 William Kcomt's NPI number?
The NPI number for William Kcomt is 1710989587. It was assigned to this individual provider in the NPPES registry on August 11, 2005.
Where is William Kcomt located?
William Kcomt practices at 5201 S. Willow Springs Road Suite 450, La Grange, IL 60525. The listed phone number is (716) 346-7645.
What is William Kcomt's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is William Kcomt enrolled in Medicare?
Yes. William Kcomt is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for William Kcomt's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Kcomt reassigns Medicare benefits to 6 organizations: Wk Arthritis Care LLC (La Grange, IL), Advance Inpatient Medicine LLC (Oak Brook, IL), Mount Sinai Community Foundation (Chicago, IL), Chicago Physician Services, P.C. (Chicago, IL), Prime Healthcare Illinois Medical Group LLC (Des Plaines, IL) and 1 more organization, listed in the Medicare section above. 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 William Kcomt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is William Kcomt affiliated with any hospitals?
According to CMS data, William Kcomt is affiliated with Presence Saint Joseph Medical Center, Adventist La Grange Memorial Hospital, Adventist Hinsdale Hospital, Presence Saints Mary And Elizabeth Medical Center and Presence Saint Joseph Hospital - Chicago.
When was this NPI record last updated?
The NPPES record for William Kcomt was last updated on September 18, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.