MARGARET KOIS
NPI 1386429546
Nurse Practitioner - Family in Park Ridge, IL
About Margaret Kois NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET KOIS (NPI 1386429546) is an individual family provider in Park Ridge, Illinois, licensed in Illinois (209-028212) and active in the NPI registry since August 2023. She is enrolled in Medicare PECOS and maintains a secondary practice location in Park Ridge.
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 (PECOS)
Margaret Kois is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Margaret Kois reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Park Ridge, IL 60068
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Advocate Health And Hospitals Corporation
- 4,870 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.
Physician 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.
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.
PARK RIDGE, IL 60068
PARK RIDGE, IL 60068
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 Margaret Kois's NPI number?
The NPI number for Margaret Kois is 1386429546. It was assigned to this individual provider in the NPPES registry on August 28, 2023.
Where is Margaret Kois located?
Margaret Kois practices at 1775 Dempster St, Park Ridge, IL 60068. The listed phone number is (847) 723-5986.
What is Margaret Kois's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Margaret Kois enrolled in Medicare?
Yes. Margaret Kois is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Margaret Kois's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Kois reassigns Medicare benefits to Lutheran General Hospital (Park Ridge, IL). 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 Margaret Kois's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margaret Kois accept?
Health plans from Oscar Health list Margaret Kois 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 Margaret Kois was last updated on December 11, 2023. 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.
# Margaret Kois · NPI 1386429546
Family physician in Park Ridge, Illinois. Individual provider, active in the CMS NPPES registry since August 28, 2023.
## Identity
- **NPI:** 1386429546 (Entity type: Individual)
- **Enumerated:** August 28, 2023
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 209-028212 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1775 DEMPSTER ST, Park Ridge, IL 60068-1143
- **Phone:** (847) 723-5986
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Lutheran General Hospital (NPI 1801809306, Park Ridge, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 11, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1386429546) · Data from the CMS NPPES public registry.