Soon Y. Kwun, MD

Medicare activity in 2024

Official CMS public-use data for Soon Y. Kwun, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)729 services
2. Ultrasound of heart (93307)321 services
3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)308 services
4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)307 services
5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)162 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%
• Diabetes69%
• Chronic kidney disease56%
• Heart failure54%
• Ischemic heart disease53%

Hospitals where Soon Y. Kwun works

Medicare's Facility Affiliation Data lists Soon Y. Kwun 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.

• Adventist Health White MemorialLos Angeles, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 050103
• Greater El Monte Community HospitalSouth el Monte, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 050738
• PIH Health Hospital-WhittierWhittier, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050169

Specialties

• Cardiovascular Disease (Cardiology)primary

Find other Cardiovascular Disease (Cardiology) doctors in California →

Other cardiologists in Los Angeles

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

• Brandon Wiley, MD
• Pierre C. Wong, MD
• Myunghae Choi, MD
• Amritial Ranavat, MD
• Patrick S. Zakka, MD
• Arnold Baas, MD
• Duc H. Do, MD
• Charles I. Okonkwo, MD

All cardiologists in Los Angeles →

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