NPPES file of Aug 9, 2026

Audrey Michelle Brennan, FNP-C

Nurse Practitioner · Alton, IL

Audrey Michelle Brennan, FNP-C is a nurse practitioner with a practice address in Alton, Illinois, and NPI 1679231690, issued on Dec 7, 2021. Check the license (Illinois 209025875, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1679231690
Name
Audrey Michelle Brennan
Credential
FNP-C
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
209025875 IL
2021048680 MO
Self-reported in NPPES; status is on the state search
Practice location
4 Memorial Dr Ste 230, Alton, IL 62002
Phone
(618) 465-8666
Enumerated
Dec 7, 2021
Record last updated
Jun 12, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 4 Memorial Dr Ste 230

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Christopher Aldridge, M.D.Surgery Physician1104026707
  2. Chase Baxter, DOPulmonary Disease Physician1487145264
  3. Brandy Byrd, FNPNurse Practitioner1902217540
  4. Emily Cottrell, FNP-BCNurse Practitioner1295262459
  5. Kaycee Eyers, FNPFamily Nurse Practitioner1750818522
  6. Lauren Flavan, PA-CPhysician Assistant1750983045

Verify Audrey Michelle Brennan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 209025875
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

32% fewer Medicare Part D claims than the average nurse practitioner in 2024

754 Medicare Part D claims for 230 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Audrey Brennan754
  2. Specialty average1,109

Most prescribed

  1. Levetiracetam77 claims
  2. Memantine Hcl74 claims
  3. Donepezil Hcl67 claims
  4. Sumatriptan Succinate49 claims
  5. Gabapentin38 claims
  6. Topiramate35 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $800.03

38 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Audrey Brennan$800.03
  2. Specialty average$791.64

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Audrey Michelle Brennan among 4,892 nurse practitioner records in Illinois

Audrey Michelle Brennan, FNP-C is one of 4,892 nurse practitioner records with a practice address in Illinois. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 67% of them.

  • NPI issued2021 · 67% of these records are older, 27% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2024 · 36% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

24 nurse practitioner records list a practice address in Alton

They are 24 of the 1,113 NPPES records with a practice address in Alton, and 4,892 nurse practitioner records in Illinois.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Julie Benhoff, F.N.P.Alton, IL 620021902130941
  2. Misty Biciocchi, FNPAlton, IL 620021013214576
  3. Brandy Byrd, FNPAlton, IL 620021902217540
  4. Emily Cottrell, FNP-BCAlton, IL 620021295262459
  5. Sarah Davis, FNPAlton, IL 620021457911810
  6. Courtney Dulworth, NPAlton, IL 620021679941546
  7. Colleen Dunham, FNPAlton, IL 620021720532351
  8. Beth Lane, ANPAlton, IL 620021508110776

Common questions

What is Audrey Michelle Brennan, FNP-C's NPI number?

Audrey Michelle Brennan, FNP-C's National Provider Identifier (NPI) is 1679231690, issued on Dec 7, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Audrey Michelle Brennan, FNP-C located?

The NPPES record lists a practice address at 4 Memorial Dr Ste 230, Alton, IL, 62002. Phone: (618) 465-8666. Providers update this record themselves, so call before visiting.

How can I verify Audrey Michelle Brennan, FNP-C's license?

NPPES lists Illinois license number 209025875, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Audrey Michelle Brennan, FNP-C prescribe under Medicare Part D?

In 2024, Audrey Michelle Brennan, FNP-C had 754 Medicare Part D claims for 230 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.