Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Alan Li, MD

Individual provider Neurology Physician · NPI 1902474604

Alan Li, MD practises Sleep Medicine in Downers Grove, Illinois. Qualified in 2021, 5 years ago. Practices with Mayo Clinic, a 4,796-clinician group, works from 4 locations, accepts Medicare assignment and offers telehealth. Licensed in Illinois, Minnesota and Missouri.

Years since qualifying
5
Licensed in
IL, MN, MO
In the registry since
2021
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3743 Highland Ave Ste 1001
Downers Grove, IL 60515-1594
Phone: (847) 723-4088
Fax: (630) 963-9936
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 3815 Highland Ave, Downers Grove, IL 60515-1500 — (630) 275-5900
  • 200 1st St Sw, Rochester, MN 55905-0001 — (507) 284-2511
  • 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110-1003 — (314) 362-3296

Specialties & licences

Neurology Physician (primary) Taxonomy 2084N0400X · Licence 036-180170 (IL)
Neurology Physician Taxonomy 2084N0400X · Licence 2021022433 (MO)
Sleep Medicine (Internal Medicine) Physician Taxonomy 207RS0012X · Licence 79126 (MN)

Record details

NPI number1902474604
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 17, 2021
Last updated in NPPESSeptember 8, 2026
Certification dateSeptember 8, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtySLEEP MEDICINE
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Mayo Clinic — 4796 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Mayo Clinic

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 4796 clinicians in the practice; 12 are shown here.

Other providers in Downers Grove