AllergyNest

Dawn Lei, MD

Listed as an allergist, with a practice address in Sycamore, Illinois.

Practice location 1

  • Northwestern Medical Faculty Foundation

    2127 Midlands Ct, Unit 203
    Sycamore, IL 60178

    (815) 758-8106

From the records

Specialty
Allergist
Records
Medicare records: allergy/immunology (October 2026).
Medicare
Accepts the Medicare-approved amount as payment in full (Medicare assignment), according to CMS’s file. This applies to Original Medicare; Medicare Advantage plans have their own networks. What assignment means
Telehealth
Medicare’s file shows recent telehealth visits. It doesn’t mean every visit can be by video.
Medical school
University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduated 2015 (Medicare records)
Registry record
Last updated July 2024
NPI
1740660554 (national provider registry)

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From CMS’s Doctors and Clinicians file (October 2026) and the national provider registry, NPPES (October 2026). Listings are free and in alphabetical order; we don’t rate or recommend doctors. How we list doctors