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Emergency Medicine

Jason M. Liu, MD

Works at hospitals in Milwaukee, WI · Wisconsin

Summary

Dr. Jason M. Liu, MD is an emergency medicine doctor at 8701 W Watertown Plank, Milwaukee, WI 53226. Phone: (414) 805-3666. Accepts Medicare assignment. In 2024, Jason M. Liu had 179 Original Medicare patients and 203 services. NPI 1528010105. 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: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 8701 W Watertown Plank, Milwaukee, WI 53226 · Directions (1 more location)
  • Phone: (414) 805‑3666
  • Medicare: Accepts Medicare assignment
  • Hospital: Froedtert Memorial Lutheran Hospital
  • Group practice: The Medical College of Wisconsin Inc
  • Medical school: Northwestern University Feinberg Medical School · graduated 2001 (25 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Jason M. 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 Jason M. Liu accept Medicare assignment?
Yes. Medicare's clinician data says Jason M. 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 Jason M. Liu see?
In 2024, CMS data shows 179 Original Medicare patients and 203 services for Jason M. Liu. This counts Original Medicare only and measures volume, not quality.
What is Jason M. Liu's NPI number?
1528010105. 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 Jason M. 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 patients179
Services billed to Medicare203
Different services or procedures15
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)113 services
  2. Critical care, first 30-74 minutes (99291)35 services
  3. Emergency department visit with moderate level of medical decision making (99284)33 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%
  • Arthritis54%
  • Chronic kidney disease51%
  • Anxiety50%
  • Diabetes45%

Hospitals where Jason M. Liu works

Medicare's Facility Affiliation Data lists Jason M. 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 Jason M. Liu is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • The Medical College of Wisconsin Inc2,115 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Wisconsin →

Other emergency medicine doctors in Milwaukee

Clinicians with the same Medicare primary specialty in Milwaukee, WI — not a recommendation.

All emergency medicine doctors in Milwaukee →

Other clinicians in The Medical College of Wisconsin Inc

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

Clinician information

CredentialMD
Medical schoolNorthwestern University Feinberg Medical School
Graduation year2001 (25 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1528010105
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