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Anesthesiology

Wen J. Chung, MD

Works at hospitals in Chelsea, MI · Lapeer, MI · Livonia, MI · Michigan

Summary

Dr. Wen J. Chung, MD is an anesthesiologist at 2006 Hogback Rd, Ann Arbor, MI 48105. Phone: (734) 434-6262. Accepts Medicare assignment. In 2024, Wen J. Chung had 495 Original Medicare patients and 551 services. NPI 1316060288. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Wen J. Chung, 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 Wen J. Chung accept Medicare assignment?
Yes. Medicare's clinician data says Wen J. Chung 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 Wen J. Chung see?
In 2024, CMS data shows 495 Original Medicare patients and 551 services for Wen J. Chung. This counts Original Medicare only and measures volume, not quality.
What is Wen J. Chung's NPI number?
1316060288. 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 Wen J. Chung, 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 patients495
Services billed to Medicare551
Different services or procedures65
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Anesthesia for other procedure on large bowel using an endoscope (00811)138 services
  2. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)59 services
  3. Anesthesia for exam of colon using an endoscope (00812)40 services
  4. Anesthesia for placement or revision of blood flow shunt (01844)28 services
  5. Anesthesia for procedure on small and large bowel using an endoscope (00813)27 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 cholesterol74%
  • High blood pressure73%
  • Arthritis53%
  • Ischemic heart disease34%
  • Diabetes33%
  • Anxiety32%

Hospitals where Wen J. Chung works

Medicare's Facility Affiliation Data lists Wen J. Chung 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.

  • Chelsea HospitalChelsea, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230259
  • McLaren Lapeer RegionLapeer, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 230193
  • St Joe Mercy Hospital System LivoniaLivonia, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 230002

Practice locations

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

Group practices

Medicare enrollment lists Wen J. Chung as a member of these groups (CMS data updated October 2, 2026).

  • Anesthesia Associates of Ann Arbor PLLC219 clinicians in the group
  • Huron Gastroenterology Associates PC99 clinicians in the group

Specialties

Find other Anesthesiology doctors in Michigan →

Other anesthesiologists in Ann Arbor

Clinicians with the same Medicare primary specialty in Ann Arbor, MI — not a recommendation.

All anesthesiologists in Ann Arbor →

Other clinicians in Anesthesia Associates of Ann Arbor PLLC

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

Clinician information

CredentialMD
Graduation year2003 (23 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1316060288
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