MICHAEL WALTER KACZMARSKI M.D.
NPI 1336415538
Anesthesiology in Hoffman Estates, IL
About Michael Walter Kaczmarski M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL WALTER KACZMARSKI M.D. (NPI 1336415538) is an individual anesthesiology provider in Hoffman Estates, Illinois, licensed in Illinois (036143397) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS, maintains a secondary practice location in Miami, and is a graduate of Indiana University School Of Medicine (2012).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Michael Walter Kaczmarski 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 Reassignment
Medicare enrollment records show Michael Kaczmarski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Jacksonville, FL 32207
- Reassigned Medicare billing, Florida enrollment
- 703 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.
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.
HOFFMAN ESTATES, IL 60169
HOFFMAN ESTATES, IL 60169
HOFFMAN ESTATES, IL 60169
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 Michael Kaczmarski's NPI number?
The NPI number for Michael Kaczmarski is 1336415538. It was assigned to this individual provider in the NPPES registry on April 1, 2012.
Where is Michael Kaczmarski located?
Michael Kaczmarski practices at 1555 Barrington Rd, Hoffman Estates, IL 60169. The listed phone number is (847) 843-2000.
What is Michael Kaczmarski's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Michael Kaczmarski enrolled in Medicare?
Yes. Michael Kaczmarski 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 organization bills Medicare for Michael Kaczmarski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Kaczmarski reassigns Medicare benefits to The Nemours Foundation (Jacksonville, FL). The 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 Michael Kaczmarski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Michael Kaczmarski was last updated on February 15, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.