Siavash Mehdizadeh Seraj, MD

Hospitals where Siavash Mehdizadeh Seraj works

Medicare's Facility Affiliation Data lists Siavash Mehdizadeh Seraj 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.

• Marinhealth Medical CenterGreenbrae, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050360
• Novato Community HospitalNovato, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050131
• Sonoma Valley HospitalSonoma, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050090

Practice locations

Addresses where Siavash Mehdizadeh Seraj is enrolled with Medicare (CMS data updated October 2, 2026).

• 250 Bon Air RdGreenbrae, CA 94904 (415) 925‑7000

Group practices

Medicare enrollment lists Siavash Mehdizadeh Seraj as a member of this group (CMS data updated October 2, 2026).

• Galen Inpatient Physicians PC1,077 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Greenbrae

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

• Douglas E. Cohen, MD
• Vatsal G. Shah, MD
• Andrea A. Ngo, MD
• Hina Guezmir, MD
• Thato Y. Brumwell, MD
• Mei Ling E. Fong, MD
• Anne M. Cummings, MD
• Susan Nguyen, MD

All internal medicine doctors in Greenbrae →

Other clinicians in Galen Inpatient Physicians PC

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

• Fulton L. Porter Iii, MD
• Philip L. Francis, MD
• Roofan Alsayegh, MD
• John A. Vidrih, MD
• Pamela K. Stafford, NP
• Jennifer Devries, 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