Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ALAN LI MD
NPI 1902474604
Psychiatry & Neurology - Neurology in Downers Grove, IL

Active since June 17, 2021PECOS Enrolled
3743 HIGHLAND AVE STE 1001, DOWNERS GROVE, IL 60515(847) 723-4088(630) 963-9936 Get Directions Write a Review

NPPES record last updated: August 26, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 26, 2026, Nov 25, 2025, May 7, 2025 and 2 more (5 updates tracked since 2021).

About Alan Li Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALAN LI MD (NPI 1902474604) is an individual neurology provider in Downers Grove, Illinois, licensed in Illinois (036-180170) and active in the NPI registry since June 2021. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Hospital Rochester, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1902474604
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameALAN LICredential: MD
Location Address3743 HIGHLAND AVE STE 1001Downers Grove, IL 60515-1594
Mailing Address29373 Network PlChicago, IL 60673-1293
Fax(630) 963-9936
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateJune 17, 2021
Last NPPES UpdateAugust 26, 20265 updates tracked since enumeration
NPPES CertifiedAugust 26, 2026
NPI 1902474604 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
Licenses Licensed in IL · 036-180170 Licensed in MO · 2021022433
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
Also ListedInternal Medicine · Sleep MedicineTaxonomy 207RS0012X · License 79126 (MN)
3743 HIGHLAND AVE STE 1001, Downers Grove, IL 60515

Secondary Practice Locations 3

Location 1200 1st St SWRochester, MN 55905-0001 · Phone (507) 284-2511
Location 21 Barnes Jewish Hospital PlzSaint Louis, MO 63110-1003 · Phone (314) 362-3296
Location 33815 Highland AveDowners Grove, IL 60515-1500 · Phone (630) 275-5900

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Alan Li Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9032512181
PECOS Enrollment IDI20250513002084
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mayo Clinic Hospital Rochester

Acute Care Hospitals · Rochester, MN
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number240010
Location1216 Second Street SouthwestRochester, MN 55902 · Olmsted County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60515 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
3743 HIGHLAND AVE STE 1001
DOWNERS GROVE, IL 60515
Dietitian, Registered
3743 HIGHLAND AVE STE 1001, DUPAGE MEDICAL GROUP
DOWNERS GROVE, IL 60515
Internal Medicine
3743 HIGHLAND AVE STE 1001
DOWNERS GROVE, IL 60515
Obstetrics & Gynecology
3743 HIGHLAND AVE STE 1001
DOWNERS GROVE, IL 60515
Family Medicine
3743 HIGHLAND AVE STE 1001
DOWNERS GROVE, IL 60515

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alan Li's NPI number?

The NPI number for Alan Li is 1902474604. It was assigned to this individual provider in the NPPES registry on June 17, 2021.

Where is Alan Li located?

Alan Li practices at 3743 Highland Ave Ste 1001, Downers Grove, IL 60515. The listed phone number is (847) 723-4088.

What is Alan Li's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Alan Li enrolled in Medicare?

Yes. Alan Li is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Alan Li affiliated with any hospitals?

According to CMS data, Alan Li is affiliated with Mayo Clinic Hospital Rochester.

When was this NPI record last updated?

The NPPES record for Alan Li was last updated on August 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.