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MARGARET LU LIU
NPI 1326743485
Internal Medicine in Chicago, IL

Active since March 30, 2023PECOS Enrolled
820 S WOOD ST STE 100, CHICAGO, IL 60612(312) 996-2933 Get Directions Write a Review

NPPES record last updated: July 24, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 24, 2026, Mar 30, 2023 (2 updates tracked since 2023).

About Margaret Lu Liu NPPES

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

MARGARET LU LIU (NPI 1326743485) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036179908) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS, maintains a secondary practice location in Chicago, and is a graduate of University Of Chicago, Pritzker School Of Medicine (2023).

NPPES Registry Identity

NPI1326743485
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMARGARET LU LIU
Location Address820 S WOOD ST STE 100Chicago, IL 60612-4325
Mailing Address820 S Wood St Ste 100Chicago, IL 60612-4325 · (312) 996-2933
Phone(312) 996-2933
Sole ProprietorNo
Medical School CMSUniversity Of Chicago, Pritzker School Of MedicineGraduated 2023
Enumeration DateMarch 30, 2023
Last NPPES UpdateJuly 24, 20262 updates tracked since enumeration
NPPES CertifiedJuly 24, 2026
✔ NPI 1326743485 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 036179908
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
820 S WOOD ST STE 100, Chicago, IL 60612
Open in Google Maps ↗

Secondary Practice Location 1

Location 11740 W Taylor StChicago, IL 60612-7232 · Phone (866) 600-2273

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Margaret Lu Liu is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7618333816
PECOS Enrollment IDI20260824002964
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.

Medicare Billing Reassignment

Medicare enrollment records show Margaret Liu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

The Board Of Trustees Of The University Of Illinois
Same address
Anatomic Pathology
1819 W POLK ST
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • 2,127 clinicians in this Medicare group
NPI 1386863819 (312) 996-7312

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60612 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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 20

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

CAILEAN ELLIOT MCKAY MD
Student in an Organized Health Care Education/Training Program
820 S WOOD ST STE 100
CHICAGO, IL 60612
Cook County (312) 996-2933
KATHERINE ELIZABETH WINEBRAKE
Student in an Organized Health Care Education/Training Program
820 S WOOD ST STE 100
CHICAGO, IL 60612
Cook County (312) 996-2933
MR. RYAN WANG BS
Neurological Surgery
820 S WOOD ST STE 100
CHICAGO, IL 60612
Cook County (312) 996-2933
ABHISHEK DESHPANDE MD
Orthopaedic Surgery
820 S WOOD ST STE 100
CHICAGO, IL 60612
Cook County (312) 413-2048
JEFFREY CARL PETERSON MD, PHD
Ophthalmology
820 S WOOD ST STE 100
CHICAGO, IL 60612
Cook County (312) 996-2933
MAY BARAKAT
Family Medicine
820 S WOOD ST STE 100
CHICAGO, IL 60612
Cook County (312) 996-2933
IMARI C MCCULLOUGH
Student in an Organized Health Care Education/Training Program
820 S WOOD ST STE 100
CHICAGO, IL 60612
Cook County (312) 996-2933
LIISA M BAUMANN MD
Student in an Organized Health Care Education/Training Program
820 S WOOD ST STE 100
CHICAGO, IL 60612
Cook County (312) 996-2933

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 Margaret Liu's NPI number?

The NPI number for Margaret Liu is 1326743485. It was assigned to this individual provider in the NPPES registry on March 30, 2023.

Where is Margaret Liu located?

Margaret Liu practices at 820 S Wood St Ste 100, Chicago, IL 60612. The listed phone number is (312) 996-2933.

What is Margaret Liu's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Margaret Liu enrolled in Medicare?

Yes. Margaret Liu is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Margaret Liu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Liu reassigns Medicare benefits to The Board Of Trustees Of The University Of Illinois (Chicago, IL). The 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 Margaret Liu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Margaret Liu was last updated on July 24, 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.