Geraldine N. Tran, MD

Hospitals where Geraldine N. Tran works

Medicare's Facility Affiliation Data lists Geraldine N. Tran 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.

• Contra Costa Regional Medical CenterMartinez, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050276
• John Muir Medical Center - Concord CampusConcord, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050496
• John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050180
• San Ramon Regional Medical CenterSan Ramon, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050689

Practice locations

Addresses where Geraldine N. Tran is enrolled with Medicare (CMS data updated October 2, 2026).

• 1601 Ygnacio Valley RdWalnut Creek, CA 94598 (925) 295‑1545
• 1601 Ygnacio Vly RdWalnut Creek, CA 94596 (925) 939‑3000

Group practices

Medicare enrollment lists Geraldine N. Tran as a member of these groups (CMS data updated October 2, 2026).

• Bay Imaging Consultants Medical Group Inc146 clinicians in the group
• John Muir Trauma Physicians Billing Service113 clinicians in the group
• John Muir Magnetic Imaging Center57 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in California →

Other radiologists in Walnut Creek

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

• James A. Engelhart, MD
• Neeraj Bhatt, MD
• Vanja Varenika, MD
• John R. Downey, MD
• Emily Huang, MD
• Andrew S. Taliaferro, MD
• Christopher A. Mutch, MD
• Christopher M. Blackwell, MD

All radiologists in Walnut Creek →

Other clinicians in Bay Imaging Consultants Medical Group Inc

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

• Anthony F. Blackburn, MD
• T. Eric Drasin, MD
• Denise K. Wise, MD
• Huijia J. Chen, MD
• Jeffrey Huang, MD
• Daniel Kim, 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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
5. Medicare Care Compare — official Medicare tool to look up clinicians