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Nurse Practitioner

Sarah Westerman, NP

Works at hospitals in Elk Grove Village, IL · Hoffman Estates, IL · Illinois

Summary

Sarah Westerman, NP (Nurse Practitioner) is listed by Medicare at 2 hospitals in Elk Grove Village, IL and Hoffman Estates, IL. NPI 1437759461. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Sarah Westerman, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
6Years since medical school (graduated 2020)
FemaleGender (as listed)
Alexian Brothers Specialty GroupGroup practice

Quick answers

Which hospitals does Sarah Westerman work at?
Medicare's official clinician data lists Sarah Westerman at 2 hospitals: Alexian Brothers Medical Center 1 and St Alexius Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Sarah Westerman see patients?
Medicare's clinician data lists 2 practice locations, including Hoffman Estates, IL and Elk Grove Village, IL. Call before your visit to confirm the address.
What is Sarah Westerman's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Sarah Westerman accept Medicare assignment?
Yes. Medicare's clinician data says Sarah Westerman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Sarah Westerman?
(847) 843-2000, as listed in official Medicare / NPI Registry data.
What is Sarah Westerman's NPI number?
1437759461. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Sarah Westerman works

Medicare's Facility Affiliation Data lists Sarah Westerman at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Sarah Westerman is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Sarah Westerman as a member of this group (CMS data updated 2026-10-02).

  • Alexian Brothers Specialty Group46 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Illinois →

Other nurse practitioners in Hoffman Estates

Clinicians with the same Medicare primary specialty in Hoffman Estates, IL — not a recommendation.

All nurse practitioners in Hoffman Estates →

Clinician information

CredentialNP
Graduation year2020
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1437759461
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians