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Endocrinology

Aileen H. Westrick, MD

Works at hospitals in Lake Forest, IL · Winfield, IL · Geneva, IL … · Illinois

Summary

Aileen H. Westrick, MD (Endocrinology) is listed by Medicare at 5 hospitals in Lake Forest, IL, Winfield, IL and Geneva, IL and other places. NPI 1770710493. 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 Aileen H. Westrick, 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

EndocrinologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
17Years since medical school (graduated 2009)
Loyola University Of Chicago, Stritch School Of MedicineMedical school
FemaleGender (as listed)
Central Dupage Physician GroupGroup practice

Quick answers

Which hospitals does Aileen H. Westrick work at?
Medicare's official clinician data lists Aileen H. Westrick at 5 hospitals: Northwestern Lake Forest Hospital, Northwestern Medicine Central Dupage Hospital, Northwestern Medicine Delnor Community Hospital, Northwestern Medicine McHenry and Northwestern Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Aileen H. Westrick see patients?
Medicare's clinician data lists 1 practice location in Carol Stream, IL. Call before your visit to confirm the address.
What is Aileen H. Westrick's specialty?
Medicare lists Endocrinology as the primary specialty.
Does Aileen H. Westrick accept Medicare assignment?
Yes. Medicare's clinician data says Aileen H. Westrick 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.
Does Aileen H. Westrick offer telehealth?
Medicare's clinician data says Aileen H. Westrick offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Aileen H. Westrick?
(630) 668-3210, as listed in official Medicare / NPI Registry data.
What is Aileen H. Westrick's NPI number?
1770710493. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Aileen H. Westrick works

Medicare's Facility Affiliation Data lists Aileen H. Westrick 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 Aileen H. Westrick is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Aileen H. Westrick as a member of this group (CMS data updated 2026-10-02).

  • Central Dupage Physician Group1,080 clinicians in the group

Specialties

Find other Endocrinology doctors in Illinois →

Other endocrinologists in Illinois

Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.

All endocrinologists in Illinois →

Clinician information

CredentialMD
Medical schoolLoyola University Of Chicago, Stritch School Of Medicine
Graduation year2009
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1770710493
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