JUSTIN LI DO
NPI 1689289977
Hospitalist in Olympia Fields, IL
About Justin Li Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JUSTIN LI DO (NPI 1689289977) is an individual hospitalist provider in Olympia Fields, Illinois, licensed in Illinois (036166721) and active in the NPI registry since September 2020. He is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and maintains a secondary practice location in Chicago.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Justin Li Do 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.
Medicare Billing Reassignments
3Medicare enrollment records show Justin Li reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Frankfort, IL 60423
- Reassigned Medicare billing, Illinois enrollment
- 148 clinicians in this Medicare group
Des Plaines, IL 60016
- Reassigned Medicare billing, Illinois enrollment
- 443 clinicians in this Medicare group
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northshore University Healthsystem - Evanston Hospital
Acute Care Hospitals · Evanston, ILFranciscan Health Olympia & Chicago Heights
Acute Care Hospitals · Olympia Fields, ILFranciscan Health Dyer
Acute Care Hospitals · Dyer, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60461 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OLYMPIA FIELDS, IL 60461
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 Justin Li's NPI number?
The NPI number for Justin Li is 1689289977. It was assigned to this individual provider in the NPPES registry on September 13, 2020.
Where is Justin Li located?
Justin Li practices at 3700 W 203rd St Ste 301, Olympia Fields, IL 60461. The listed phone number is (708) 679-2850.
What is Justin Li's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Justin Li enrolled in Medicare?
Yes. Justin 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.
Which organizations bill Medicare for Justin Li's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Justin Li reassigns Medicare benefits to 3 organizations: Specialty Physicians Of Illinois, LLC (Frankfort, IL), Prime Healthcare Illinois Medical Group LLC (Des Plaines, IL) and Endeavor Health Medical Group (Evanston, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Justin Li's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Justin Li affiliated with any hospitals?
According to CMS data, Justin Li is affiliated with Northshore University Healthsystem - Evanston Hospital, Franciscan Health Olympia & Chicago Heights and Franciscan Health Dyer.
When was this NPI record last updated?
The NPPES record for Justin Li was last updated on July 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.