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Certified Registered Nurse Anesthetist (CRNA)

Audrey A. Less, CNA

Works at hospitals in Chicago, IL · Hinsdale, IL · La Grange, IL · Illinois

Summary

Audrey A. Less, CNA (Certified Registered Nurse Anesthetist (CRNA)) is listed by Medicare at 3 hospitals in Chicago, IL, Hinsdale, IL and La Grange, IL. NPI 1396128393. 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 Audrey A. Less, 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

Certified Registered Nurse Anesthetist (CRNA)Primary specialty
YesAccepts Medicare assignment
11Years since medical school (graduated 2015)
FemaleGender (as listed)
University of ChicagoGroup practice (+2 more)

Quick answers

Which hospitals does Audrey A. Less work at?
Medicare's official clinician data lists Audrey A. Less at 3 hospitals: The University of Chicago Medical Center, UChicago Medicine AdventHealth Hinsdale and UChicago Medicine AdventHealth La Grange. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Audrey A. Less see patients?
Medicare's clinician data lists 5 practice locations, including Hinsdale, IL, Chicago Heights, IL and La Grange, IL. Call before your visit to confirm the address.
What is Audrey A. Less's specialty?
Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
Does Audrey A. Less accept Medicare assignment?
Yes. Medicare's clinician data says Audrey A. Less 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 Audrey A. Less?
(630) 856-9000, as listed in official Medicare / NPI Registry data.
What is Audrey A. Less's NPI number?
1396128393. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Audrey A. Less works

Medicare's Facility Affiliation Data lists Audrey A. Less 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 Audrey A. Less is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Audrey A. Less as a member of these groups (CMS data updated 2026-10-02).

  • University of Chicago1,712 clinicians in the group
  • Northstar Anesthesia of Illinois, LLC409 clinicians in the group
  • Gottlieb Midwest Anesthesiologists, LLC41 clinicians in the group

Specialties

Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Illinois →

Other nurse anesthetists in Hinsdale

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

All nurse anesthetists in Hinsdale →

Clinician information

CredentialCNA
Graduation year2015
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1396128393
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