Caitlin Richardson-Royer, MD

Hospitals where Caitlin Richardson-Royer works

Medicare's Facility Affiliation Data lists Caitlin Richardson-Royer 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.

• Kaiser Foundation Hospital - VacavilleVacaville, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050767
• Kaiser Foundation Hospital and Rehab CenterVallejo, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 050073

Practice locations

Addresses where Caitlin Richardson-Royer is enrolled with Medicare (CMS data updated October 2, 2026).

• 975 Sereno DrVallejo, CA 94589 (707) 651‑1000

Group practices

Medicare enrollment lists Caitlin Richardson-Royer as a member of this group (CMS data updated October 2, 2026).

• Permanente Medical Group Inc10,996 clinicians in the group

Specialties

• Nephrologyprimary

Find other Nephrology doctors in California →

Other nephrologists in Vallejo

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

• Warda Zaman, DO
• John P. Baron, DO
• Saiyed Ali, MD
• Manasi A. Bapat, MD
• Maria D. Pagtalunan, MD
• Robert B. Doud, MD
• Jean Claude Bassila, MD
• Maryam Sharif Hassanabadi, MD

All nephrologists in Vallejo →

Other clinicians in Permanente Medical Group Inc

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

• Johnny M. Nguyen, OD
• Guoping Xu, MD
• Dexter L. Hatchett, MD
• Joel Guss, MD
• Karry K. Ngai, MD
• Vesna Ivancic Cochell, 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