Wendy X. Chung, MD

Medicare activity in 2024

Official CMS public-use data for Wendy X. 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.

Most frequent services

1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)59 services
2. Emergency department visit with high level of medical decision making (99285)53 services
3. Critical care, first 30-74 minutes (99291)29 services
4. Emergency department visit with moderate level of medical decision making (99284)19 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%
• Diabetes59%
• Ischemic heart disease56%
• Arthritis55%
• Chronic kidney disease43%

Hospitals where Wendy X. Chung works

Medicare's Facility Affiliation Data lists Wendy X. 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.

• Chilton Medical CenterPompton Plains, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310017
• Mount Sinai HospitalNew York, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330024
• Overlook Medical CenterSummit, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310051

Practice locations

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

• 1000 Galloping Hill RdUnion, NJ 07083 (954) 939‑5000
• 1468 Madison AveNew York, NY 10029 (212) 987‑3100
• 97 W PkwyPompton Plains, NJ 07444 (973) 831‑5000

Group practices

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

• Icahn School of Medicine at Mount Sinai2,843 clinicians in the group
• Emergency Physician Associates of North Jersey P C126 clinicians in the group
• Union Emergency Medical Associates LLC19 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in New Jersey →

Other emergency medicine doctors in Union

Clinicians with the same Medicare primary specialty in Union, NJ — not a recommendation.

• Elliot S. Goodman, DO
• Mohamed R. Elfatihi, MD
• Adaeze A. Iwu, MD
• Christopher Amalfitano, MD
• Ashley Cox, DO
• Henry D. Montilla, MD
• Kent Kim, MD
• Muhammad O. Ali, DO

All emergency medicine doctors in Union →

Other clinicians in Icahn School of Medicine at Mount Sinai

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

• Mohammed Z. Akhtar, MD
• Fang Zhou Yu
• Roohi Maini, MD
• Roseanne Leipzig, MD
• Hassan Beesley, MD
• Desiree Chow, MD

Clinician information

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