AUDREY MICHELLE BRENNAN FNP-C
NPI 1679231690
Nurse Practitioner in Alton, IL
About Audrey Michelle Brennan Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AUDREY MICHELLE BRENNAN FNP-C (NPI 1679231690) is an individual nurse practitioner in Alton, Illinois, licensed in Illinois (209025875) and active in the NPI registry since December 2021. She is enrolled in Medicare PECOS and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Locations 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Audrey Michelle Brennan Fnp-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Audrey Brennan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 140 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 611 clinicians in this Medicare group
Cape Girardeau, MO 63701
- Reassigned Medicare billing, Missouri enrollment
- 470 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 2
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 62002 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 5
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 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ALTON, IL 62002
ALTON, IL 62002
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 Audrey Brennan's NPI number?
The NPI number for Audrey Brennan is 1679231690. It was assigned to this individual provider in the NPPES registry on December 7, 2021. The provider is also known as Audrey Michelle Darbonne Fnp-C.
Where is Audrey Brennan located?
Audrey Brennan practices at 4 Memorial Dr Ste 230, Alton, IL 62002. The listed phone number is (618) 465-8666.
What is Audrey Brennan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Audrey Brennan enrolled in Medicare?
Yes. Audrey Brennan is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Audrey Brennan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Audrey Brennan reassigns Medicare benefits to 3 organizations: Fairview Heights Medical Group Sc (Saint Louis, MO), Physician Groups Lc (Saint Louis, MO) and Southeast Missouri Hospital Physicians, LLC (Cape Girardeau, MO). 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 Audrey 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 Audrey Brennan was last updated on June 12, 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.