Yeyong Shin, DO

Medicare activity in 2024

Official CMS public-use data for Yeyong Shin, 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. Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (99439)1,029 services
2. Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)512 services
3. Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes (99458)416 services
4. Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)303 services
5. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)200 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%
• Chronic kidney disease75%
• Diabetes44%
• Arthritis43%
• Osteoporosis40%

Hospitals where Yeyong Shin works

Medicare's Facility Affiliation Data lists Yeyong Shin 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.

• Casa Colina HospitalPomona, CA · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 050782
• Pomona Valley Hospital Medical CenterPomona, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050231

Practice locations

Addresses where Yeyong Shin is enrolled with Medicare (CMS data updated October 2, 2026).

• 1111 Grand Ave, Suite JDiamond Bar, CA 91765 (909) 306‑4102

Specialties

• Family Practiceprimary

Find other Family Practice doctors in California →

Other family doctors in Diamond Bar

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

• Ana Ivanova, MD
• Kim N. Tran, DO
• Parvita P. Panchal, DO
• Pei-Chi Wu, DO
• Mark F. Giglio, MD
• Patrick J. Bachoura, MD
• Sarom Pyun, MD
• Nicolas R. Hernandez

All family doctors in Diamond Bar →

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