MICHAEL JAMES KATSOULIS D.O.
NPI 1073802435
Internal Medicine - Pulmonary Disease in Park Ridge, IL
About Michael James Katsoulis D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL JAMES KATSOULIS D.O. (NPI 1073802435) is an individual pulmonary disease provider in Park Ridge, Illinois, licensed in Illinois (036.133882) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS, is affiliated with Advocate Illinois Masonic Medical Center, and maintains a secondary practice location in Morton Grove.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Michael James Katsoulis D.o. 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
3Medicare enrollment records show Michael Katsoulis reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Park Ridge, IL 60068
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Advocate Health And Hospitals Corporation
- Also billed through NPI 1629441027 (Illinois)
- 4,870 clinicians in this Medicare group
Oak Park, IL 60304
- Reassigned Medicare billing, Illinois enrollment
- 60 clinicians in this Medicare group
Oak Brook, IL 60523
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Rush University Medical Group
- 2,169 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 24
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Advocate Illinois Masonic Medical Center
Acute Care Hospitals · Chicago, ILAdvocate Lutheran General Hospital
Acute Care Hospitals · Park Ridge, ILNorthwest Community Hospital 1
Acute Care Hospitals · Arlington Heights, ILAdvocate Good Shepherd Hospital
Acute Care Hospitals · Barrington, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60068 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 9
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Katsoulis's NPI number?
The NPI number for Michael Katsoulis is 1073802435. It was assigned to this individual provider in the NPPES registry on April 6, 2011.
Where is Michael Katsoulis located?
Michael Katsoulis practices at 850 Busse Hwy, Park Ridge, IL 60068. The listed phone number is (847) 759-4770.
What is Michael Katsoulis's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Michael Katsoulis enrolled in Medicare?
Yes. Michael Katsoulis 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 Michael Katsoulis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Katsoulis reassigns Medicare benefits to 3 organizations: Lutheran General Hospital (Park Ridge, IL), Rush Oak Park Nocturnist (Oak Park, IL) and Rush University Medical Center (Oak Brook, 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 Michael Katsoulis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Katsoulis accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Michael Katsoulis 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 Michael Katsoulis affiliated with any hospitals?
According to CMS data, Michael Katsoulis is affiliated with Advocate Illinois Masonic Medical Center, Advocate Lutheran General Hospital, Northwest Community Hospital 1 and Advocate Good Shepherd Hospital.
When was this NPI record last updated?
The NPPES record for Michael Katsoulis was last updated on October 2, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.