Yun Kyong Choi

Medicare activity in 2024

Official CMS public-use data for Yun Kyong Choi, 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 high level of medical decision making, if using time, 40 minutes or more (99215)137 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)102 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)72 services
4. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)49 services
5. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)27 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 cholesterol75%
• High blood pressure69%
• Diabetes37%
• Chronic kidney disease35%
• Arthritis33%
• Ischemic heart disease31%

Hospitals where Yun Kyong Choi works

Medicare's Facility Affiliation Data lists Yun Kyong Choi 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.

• Ohio State University State Health SystemColumbus, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360085

Practice locations

Addresses where Yun Kyong Choi is enrolled with Medicare (CMS data updated October 2, 2026).

• 410 W 10th AveColumbus, OH 43210 (614) 293‑8000

Group practices

Medicare enrollment lists Yun Kyong Choi as a member of this group (CMS data updated October 2, 2026).

• OSU Internal Medicine LLC1,161 clinicians in the group

Specialties

• Hematologyprimary

Find other Hematology doctors in Ohio →

Other hematologists in Columbus

Clinicians with the same Medicare primary specialty in Columbus, OH — not a recommendation.

• Jonathan Brammer, MD
• Daniel C. Trotier, MD
• Aseel M. Alsouqi, MD
• Sarah Wall, MD
• Zachary Braunstein, MD
• Walter G. Hanel, MD
• Jennifer A. Woyach, MD
• Marina Beltrami Moreira, MD

All hematologists in Columbus →

Other clinicians in OSU Internal Medicine LLC

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

• Andrea N. Brentley
• Brittany L. Dulmage, MD
• Timothy S. McClung, MD
• Wael N. Jarjour, MD
• Brittany E. Pruitt
• Anisley Valenciaga, 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