NPPES file of Aug 9, 2026

Sarah Brennan, WHNP

Women's Health Nurse Practitioner · Chicago, IL

Sarah Brennan, WHNP is a women's health nurse practitioner with a practice address in Chicago, Illinois, and NPI 1245124361, issued on Jun 4, 2025. Check the license (Illinois 209.032963, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1245124361
Name
Sarah Brennan
Credential
WHNP
Primary taxonomy
Women's Health Nurse Practitioner 363LW0102X
License number
209.032963 IL
Self-reported in NPPES; status is on the state search
Practice location
1801 W Taylor St, Chicago, IL 60612
Phone
(312) 413-7500
Enumerated
Jun 4, 2025
Record last updated
Nov 24, 2025
Medicare enrollment
Enrolled (PECOS I20260121002864); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest women's health nurse practitioner records → All 291 in Illinois → Look up another NPI →

Also registered at 1801 W Taylor St

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

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  2. Aneet Ahluwalia, M.D.Internal Medicine Physician1538285416
  3. Omar Ahmed, MBBCHGastroenterology Physician1578183935
  4. Dalmina Arias, OTR/LOccupational Therapist1346758281
  5. Ayesha Arif, MDRheumatology Physician1205398534
  6. Iris Aronson, MDDermatology Physician1629153614

Verify Sarah 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 209.032963    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.

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Sarah Brennan among 291 women's health nurse practitioner records in Illinois

Sarah Brennan, WHNP is one of 291 women's health nurse practitioner records with a practice address in Illinois. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2025, is newer than 90% of them.

  • NPI issued2025 · 90% of these records are older, 4% newer
  • In a Medicare fileNo · 57% of these records are
  • In the CMS Doctors and Clinicians fileYes · 33% of these records are
  • Graduated2025 · median 2015 among the 97 with a school on file
  • Record last updated2025 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LW0102X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Women's Health Nurse Practitioner providers in Illinois

There are 291 women's health nurse practitioner records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 291 in Illinois → Every provider in Chicago → Women's Health Nurse Practitioner nationwide →

The 8 women's health nurse practitioner records with the nearest ZIP codes

  1. Mildred Brown, APNChicago, IL 606121285755488
  2. Martha Curiel, DNP, WHNP-BCChicago, IL 606121023448420
  3. Sally Lemke, DNP, WHNP-BCChicago, IL 606121083793616
  4. Irene Marks, APNChicago, IL 606121235251703
  5. Karla NacionChicago, IL 606121699858704
  6. Jennifer Rousseau, APRNChicago, IL 606121801422662
  7. Autumn Song, DNPChicago, IL 606121134727811
  8. Erica Wofford, WHNP-BCChicago, IL 606121912721481

Common questions

What is Sarah Brennan, WHNP's NPI number?

Sarah Brennan, WHNP's National Provider Identifier (NPI) is 1245124361, issued on Jun 4, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Brennan, WHNP located?

The NPPES record lists a practice address at 1801 W Taylor St, Chicago, IL, 60612. Phone: (312) 413-7500. Providers update this record themselves, so call before visiting.

How can I verify Sarah Brennan, WHNP's license?

NPPES lists Illinois license number 209.032963, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.