Yonghua Zhang, MD

Medicare activity in 2024

Official CMS public-use data for Yonghua Zhang, 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. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)228 services
2. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)131 services
3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)114 services
4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)39 services
5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)35 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%
• Arthritis58%
• Ischemic heart disease40%
• Diabetes36%
• Anxiety35%

Hospitals where Yonghua Zhang works

Medicare's Facility Affiliation Data lists Yonghua Zhang 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.

• Edward HospitalNaperville, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140231
• Elmhurst Memorial HospitalElmhurst, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140200

Practice locations

Addresses where Yonghua Zhang is enrolled with Medicare (CMS data updated October 2, 2026).

• 155 E Brush Hill RdElmhurst, IL 60126 (331) 221‑0096
• 801 S Washington StNaperville, IL 60540 (312) 355‑0450

Group practices

Medicare enrollment lists Yonghua Zhang as a member of these groups (CMS data updated October 2, 2026).

• Endeavor Health Medical Group3,350 clinicians in the group
• Edward Hospital96 clinicians in the group

Specialties

• Neurologyprimary

Find other Neurology doctors in Illinois →

Other neurologists in Elmhurst

Clinicians with the same Medicare primary specialty in Elmhurst, IL — not a recommendation.

• Sana Syed, DO
• Reena A. Ghode, MD
• Nauman Jahangir, MD
• Rosalyn M. Aranas, MD
• Arkadiy Y. Konyukhov, MD
• Yasaman Adibnia, MD
• Catherine Stachnik, DO

All neurologists in Elmhurst →

Other clinicians in Endeavor Health Medical Group

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

• Cherry Jiang, MD
• Zehra Jaffery, MD
• Kelly J. Lydon
• Salma A. Ferouz, MD
• Alexandra L. Elstein, PSY
• Alena Karpach, NP

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