Edward S. Yung, MD

Medicare activity in 2024

Official CMS public-use data for Edward S. Yung, 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 problem focused exam of visual system (92012)857 services
2. Established patient complete exam of visual system (92014)445 services
3. Exam of visual field with extended testing (92083)371 services
4. Imaging of optic nerve (92133)350 services
5. Injection, bimatoprost, intracameral implant, 1 microgram (J7351)272 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%
• Diabetes46%
• Arthritis43%
• Chronic kidney disease31%
• Ischemic heart disease27%

Hospitals where Edward S. Yung works

Medicare's Facility Affiliation Data lists Edward S. Yung 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.

• Los Angeles General Medical CenterLos Angeles, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050373

Practice locations

Addresses where Edward S. Yung is enrolled with Medicare (CMS data updated October 2, 2026).

• 555 N 13th AveUpland, CA 91786 (909) 982‑8846

Group practices

Medicare enrollment lists Edward S. Yung as a member of this group (CMS data updated October 2, 2026).

• Pacific Eye Institute a Medical Group Inc44 clinicians in the group

Specialties

• Ophthalmologyprimary

Find other Ophthalmology doctors in California →

Other ophthalmologists in Upland

Clinicians with the same Medicare primary specialty in Upland, CA — not a recommendation.

• William B. Smith, MD
• Juancho F. Remulla, MD
• Pejman Bakhtiary, MD
• Robert C. Gunzenhauser, MD
• Lance M. Siegel, MD
• Richmond E. Roeske, MD
• Peter D. Bekendam, MD
• Nishant G. Soni, MD

All ophthalmologists in Upland →

Other clinicians in Pacific Eye Institute a Medical Group Inc

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

• Madonna Daniel, OD
• Chang Sup Lee, MD
• Rebecca L. Chait, MD
• Catherine R. Sheils, MD
• Daniel D. Esmaili, MD
• Caleb C. Ng, 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