Chetan G. Ambastha, MD

Hospitals where Chetan G. Ambastha works

Medicare's Facility Affiliation Data lists Chetan G. Ambastha 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 CareStanford, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050441

Practice locations

Addresses where Chetan G. Ambastha is enrolled with Medicare (CMS data updated October 2, 2026).

• 500 Pasteur Dr, Rm P388Palo Alto, CA 94304

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Palo Alto

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

• Ana Q. Rivera, MD
• Barry K. Eisenberg, MD
• Luis E. Rivera Delgado, MD
• Jennifer A. Morales, DO
• Lisa Gervin, MD
• Karishma U. Patel, MD
• Madeleine C. Blaurock, MD
• Cassandra Thanh, MD

All internal medicine doctors in Palo Alto →

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