Ki-Yoon Kim, MD

Medicare activity in 2024

Official CMS public-use data for Ki-Yoon Kim, 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)105 services
2. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)40 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)28 services
4. Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope through mouth (43237)23 services
5. Review by radiologist of image from tube placement into bile duct using an endoscope (74328)16 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%
• Arthritis57%
• Ischemic heart disease48%
• Diabetes42%
• Chronic kidney disease33%

Hospitals where Ki-Yoon Kim works

Medicare's Facility Affiliation Data lists Ki-Yoon Kim 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.

• AHMC Anaheim Regional Medical CenterAnaheim, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050226
• Anaheim Global Medical CenterAnaheim, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 050744
• Coastal Communities HospitalSanta Ana, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050747
• Scripps Mercy HospitalSan Diego, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050077
• UCI Health-OrangeOrange, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050348

Practice locations

Addresses where Ki-Yoon Kim is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

• 1025 S Anaheim BlvdAnaheim, CA 92805 (714) 987‑1121
• 1111 W La Palma AveAnaheim, CA 92801 (714) 987‑1121
• 1211 W La Palma Ave, Suite 404Anaheim, CA 92801 (714) 772‑8282
• 1211 W La Palma Ave, Suite 709Anaheim, CA 92801 (657) 657‑7177
• 4060 4th Ave, Suite 240San Diego, CA 92103 (619) 291‑6064

Group practices

Medicare enrollment lists Ki-Yoon Kim as a member of these groups (CMS data updated October 2, 2026).

• On Call Specialists Medical Group of San Diego Inc144 clinicians in the group
• Chest and Critical Care Consultants a Medical Group71 clinicians in the group
• San Diego Gastroenterology Medical Associates10 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Anaheim

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

• Dominic D. Tran-Nguyen, DO
• Bansari A. Patel, DO
• Dawn A. Hnat, MD
• Neil Gulati, MD
• Eric K. Kwong, MD
• Samuel Cho, MD
• Jason Wu, DO
• Mohammad U. Qazi, MD

All internal medicine doctors in Anaheim →

Other clinicians in On Call Specialists Medical Group of San Diego Inc

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

• Kiyon Chung, MD
• Suja D. Dubois, MD
• Ivan Cubas, MD
• Nadeen Hosein, MD
• Alois Zauner, MD
• Jonathan Liebig, 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