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Allergy/Immunology

Dawn K. Lei, MD

Works at hospitals in Winfield, IL · Dekalb, IL · Illinois

Summary

Dawn K. Lei, MD (Allergy/Immunology) is listed by Medicare at 2 hospitals in Winfield, IL and Dekalb, IL. NPI 1740660554. 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 Dawn K. Lei, 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

Allergy/ImmunologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
11Years since medical school (graduated 2015)
University Of Illinois College Of Med (chi/peor/rock/chm-Urb)Medical school
FemaleGender (as listed)
Northwestern Medical Faculty FoundationGroup practice (+1 more)

Quick answers

Which hospitals does Dawn K. Lei work at?
Medicare's official clinician data lists Dawn K. Lei at 2 hospitals: Northwestern Medicine Central Dupage Hospital and Northwestern Medicine Kishwaukee Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Dawn K. Lei see patients?
Medicare's clinician data lists 1 practice location in Sycamore, IL. Call before your visit to confirm the address.
What is Dawn K. Lei's specialty?
Medicare lists Allergy/Immunology as the primary specialty, and also Hospitalist.
Does Dawn K. Lei accept Medicare assignment?
Yes. Medicare's clinician data says Dawn K. Lei 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 Dawn K. Lei offer telehealth?
Medicare's clinician data says Dawn K. Lei offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Dawn K. Lei?
(815) 758-8106, as listed in official Medicare / NPI Registry data.
What is Dawn K. Lei's NPI number?
1740660554. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Dawn K. Lei works

Medicare's Facility Affiliation Data lists Dawn K. Lei 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 Dawn K. Lei is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Dawn K. Lei as a member of these groups (CMS data updated 2026-10-02).

  • Northwestern Medical Faculty Foundation4,503 clinicians in the group
  • Central Dupage Physician Group1,080 clinicians in the group

Specialties

Find other Allergy/Immunology doctors in Illinois →

Other allergist and immunologists in Illinois

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

All allergist and immunologists in Illinois →

Clinician information

CredentialMD
Medical schoolUniversity Of Illinois College Of Med (chi/peor/rock/chm-Urb)
Graduation year2015
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1740660554
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