Yen Hua Yu, DO

Medicare activity in 2024

Official CMS public-use data for Yen Hua Yu, 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. Emergency department visit with high level of medical decision making (99285)283 services
2. Electrocardiogram (ecg) 1 to 3 leads with review by physician only (93042)172 services
3. Emergency department visit with moderate level of medical decision making (99284)111 services
4. Critical care, first 30-74 minutes (99291)71 services
5. Emergency department visit with low level of medical decision making (99283)12 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 disease47%
• Arthritis44%
• Ischemic heart disease36%
• Diabetes33%

Hospitals where Yen Hua Yu works

Medicare's Facility Affiliation Data lists Yen Hua Yu 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.

• Stanford Health Care Tri-ValleyPleasanton, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050283

Practice locations

Addresses where Yen Hua Yu is enrolled with Medicare (CMS data updated October 2, 2026).

• 4000 Dublin Blvd, Suite 150Dublin, CA 94568 (925) 479‑3773
• 5555 W Las Positas BlvdPleasanton, CA 94588 (925) 416‑3418

Group practices

Medicare enrollment lists Yen Hua Yu as a member of this group (CMS data updated October 2, 2026).

• Pleasanton Emergency Medical Group38 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Dublin

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

• Douglas K. Yoshida, MD
• Michael J. Costello, MD
• Brian J. Kaminski, MD
• Edward Y. Kan, MD
• Andreas Tjoe, MD
• Colleen A. Johnson, MD
• Ranvir Dhillon, MD

All emergency medicine doctors in Dublin →

Other clinicians in Pleasanton Emergency Medical Group

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

• Douglas K. Yoshida, MD
• Kelly R. Morrill, NP
• Ngoc B. Hoang, MD
• Michael J. Costello, MD
• Elaine Yang, MD
• Kelley Lang, PA

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