Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Pathology

Le Wen Liu, MD

Works at hospitals in Geneva, IL · Illinois

Summary

Dr. Le Wen Liu, MD is a pathologist at 4201 W Medical Ctr Dr, McHenry, IL 60050. Phone: (815) 759-4323. Accepts Medicare assignment. In 2024, Le Wen Liu had 190 Original Medicare patients and 526 services. NPI 1023093895. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Pathologist (Medicare lists Pathology)
  • Address: 4201 W Medical Ctr Dr, McHenry, IL 60050 · Directions
  • Phone: (815) 759‑4323
  • Medicare: Accepts Medicare assignment
  • Hospital: Northwestern Medicine Delnor Community Hospital
  • Group practice: Northwestern Medical Faculty Foundation
  • Medical school: graduated 1982 (44 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Le Wen Liu, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Le Wen Liu accept Medicare assignment?
Yes. Medicare's clinician data says Le Wen Liu accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Le Wen Liu see?
In 2024, CMS data shows 190 Original Medicare patients and 526 services for Le Wen Liu. This counts Original Medicare only and measures volume, not quality.
What is Le Wen Liu's NPI number?
1023093895. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Le Wen Liu, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients190
Services billed to Medicare526
Different services or procedures18
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Pathology examination of tissue using a microscope, intermediate complexity (88305)267 services
  2. Special stained specimen slides to examine tissue, each additional procedure (88341)92 services
  3. Preparation of tissue for examination by removing any calcium present (88311)29 services
  4. Pathology examination of tissue using a microscope, moderately low complexity (88304)28 services
  5. Special stained specimen slides to examine tissue, initial procedure (88342)23 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis52%
  • Diabetes38%
  • Anxiety35%
  • Ischemic heart disease34%

Hospitals where Le Wen Liu works

Medicare's Facility Affiliation Data lists Le Wen Liu at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Le Wen Liu is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Le Wen Liu as a member of this group (CMS data updated October 2, 2026).

  • Northwestern Medical Faculty Foundation4,503 clinicians in the group

Specialties

Find other Pathology doctors in Illinois →

Other pathologists in Illinois

Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.

All pathologists in Illinois →

Other clinicians in Northwestern Medical Faculty Foundation

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1982 (44 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1023093895
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians