Sang Yoon Oh, MD

Medicare activity in 2024

Official CMS public-use data for Sang Yoon Oh, 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)429 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)330 services
3. Hospital discharge day management, more than 30 minutes (99239)160 services
4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)54 services
5. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)37 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%
• Arthritis53%
• Heart failure53%
• Ischemic heart disease49%
• Chronic kidney disease48%

Hospitals where Sang Yoon Oh works

Medicare's Facility Affiliation Data lists Sang Yoon Oh 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.

• Multicare Good Samaritan HospitalPuyallup, WA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 500079
• Tacoma General Allenmore HospitalTacoma, WA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 500129

Practice locations

Addresses where Sang Yoon Oh is enrolled with Medicare (CMS data updated October 2, 2026).

• 16251 Sylvester Rd SWBurien, WA 98166 (206) 244‑9970

Group practices

Medicare enrollment lists Sang Yoon Oh as a member of this group (CMS data updated October 2, 2026).

• South Sound Inpatient Physicians PLLC422 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Washington →

Other internal medicine doctors in Burien

Clinicians with the same Medicare primary specialty in Burien, WA — not a recommendation.

• Ziad M. Shwaiki, DO
• Hong Lok Lou, DO
• Harry A. Pierce Iii, DO
• Temitope Ajibawo, MD
• Nazish Najeeb, MD
• Sanka Wijesinghe, MD
• Kisung S. Hong, MD
• Sharanya Satkunanathan, MD

All internal medicine doctors in Burien →

Other clinicians in South Sound Inpatient Physicians PLLC

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

• James Belitsos, MD
• Ammar M. Alwardat, MD
• Douglas E. Hayes, DO
• Tyler C. Willis, NP
• John Kimbugwe, MD
• Bryant R. McCall, 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