ELISABETH K BROWN APN-CNP
NPI 1497409502
Nurse Practitioner in Chicago, IL
About Elisabeth K Brown Apn-cnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELISABETH K BROWN APN-CNP (NPI 1497409502) is an individual nurse practitioner in Chicago, Illinois, licensed in Illinois (209024735) and active in the NPI registry since February 2022. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 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)
Elisabeth K Brown Apn-cnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Elisabeth Brown reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oak Lawn, IL 60453
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Advocate Health And Hospitals Corporation
- 4,870 clinicians in this Medicare group
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60617 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.
CHICAGO, IL 60617
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 Elisabeth Brown's NPI number?
The NPI number for Elisabeth Brown is 1497409502. It was assigned to this individual provider in the NPPES registry on February 8, 2022. The provider is also known as Elisabeth K Field.
Where is Elisabeth Brown located?
Elisabeth Brown practices at 2320 E 93rd St, Chicago, IL 60617. The listed phone number is (773) 967-5430.
What is Elisabeth Brown's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Elisabeth Brown enrolled in Medicare?
Yes. Elisabeth Brown is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Elisabeth Brown's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elisabeth Brown reassigns Medicare benefits to 2 organizations: Advocate Health & Hospitals Corporation (Oak Lawn, IL) and Endeavor Health Medical Group (Evanston, 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 Elisabeth Brown's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Elisabeth Brown accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Elisabeth Brown 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 Elisabeth Brown was last updated on March 23, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Elisabeth K Brown, APN-CNP · NPI 1497409502
Nurse Practitioner physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since February 8, 2022.
## Identity
- **NPI:** 1497409502 (Entity type: Individual)
- **Enumerated:** February 8, 2022
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 209024735 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 2320 E 93RD ST, Chicago, IL 60617-3909
- **Phone:** (773) 967-5430 · **Fax:** (773) 967-4205
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Advocate Health & Hospitals Corporation (NPI 1912936014, Oak Lawn, IL); Endeavor Health Medical Group (NPI 1497701882, Evanston, IL) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 23, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1497409502) · Data from the CMS NPPES public registry.