MARY KAY GAWNE APN
NPI 1952315582
Nurse Practitioner in Chicago, IL
About Mary Kay Gawne Apn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY KAY GAWNE APN (NPI 1952315582) is an individual nurse practitioner in Chicago, Illinois, licensed in Illinois (209-001604) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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)
Mary Kay Gawne Apn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mary Gawne reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 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 60603 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 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO, IL 60603
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 Mary Gawne's NPI number?
The NPI number for Mary Gawne is 1952315582. It was assigned to this individual provider in the NPPES registry on July 28, 2006. The provider is also known as Mary Kay Barron Apn, Cnp.
Where is Mary Gawne located?
Mary Gawne practices at 20 S Clark St Suite 1100, Chicago, IL 60603. The listed phone number is (312) 926-7443.
What is Mary Gawne's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Mary Gawne enrolled in Medicare?
Yes. Mary Gawne is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mary Gawne's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Gawne reassigns Medicare benefits to Northwestern Medical Faculty Foundation (Carol Stream, 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 Mary Gawne'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 Mary Gawne was last updated on April 10, 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.
# Mary Kay Gawne, APN · NPI 1952315582
Nurse Practitioner physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since July 28, 2006.
## Identity
- **NPI:** 1952315582 (Entity type: Individual)
- **Enumerated:** July 28, 2006
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 209-001604 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 20 S CLARK ST, SUITE 1100, Chicago, IL 60603-1802
- **Phone:** (312) 926-7443
## 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:** Northwestern Medical Faculty Foundation (NPI 1346235314, Carol Stream, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 10, 2018
- **Other identifiers:** Medicaid 036071152 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1952315582) · Data from the CMS NPPES public registry.