SARAH BRENNAN WHNP
NPI 1245124361
Nurse Practitioner - Women's Health in Chicago, IL
About Sarah Brennan Whnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SARAH BRENNAN WHNP (NPI 1245124361) is an individual women's health provider in Chicago, Illinois, licensed in Illinois (209.032963) and active in the NPI registry since June 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2025).
NPPES Registry Identity
Specialties & Licenses
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
Sarah Brennan Whnp 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 Sarah Brennan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chicago, IL 60612
- Reassigned Medicare billing, Illinois enrollment
- 126 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 60612 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 60612
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 Sarah Brennan's NPI number?
The NPI number for Sarah Brennan is 1245124361. It was assigned to this individual provider in the NPPES registry on June 4, 2025.
Where is Sarah Brennan located?
Sarah Brennan practices at 1801 W Taylor St, Chicago, IL 60612. The listed phone number is (312) 413-7500.
What is Sarah Brennan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Women's Health, with taxonomy code 363LW0102X.
Is Sarah Brennan enrolled in Medicare?
Yes. Sarah Brennan 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 Sarah Brennan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Brennan reassigns Medicare benefits to The Board Of Trustees Of The University Of Illinois (Chicago, 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 Sarah Brennan'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 Sarah Brennan was last updated on November 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.
# Sarah Brennan, WHNP · NPI 1245124361
Women's Health physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since June 4, 2025.
## Identity
- **NPI:** 1245124361 (Entity type: Individual)
- **Enumerated:** June 4, 2025
- **Primary specialty:** Nurse Practitioner - Women's Health · taxonomy 363LW0102X
- **State license:** 209.032963 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1801 W TAYLOR ST, Chicago, IL 60612-4795
- **Phone:** (312) 413-7500
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** The Board Of Trustees Of The University Of Illinois (NPI 1154541936, Chicago, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2025
## Record status
- **NPPES last updated:** November 24, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1245124361) · Data from the CMS NPPES public registry.