Quick answers
- Which hospitals does Ranjan Ray work at?
- Medicare's official clinician data lists Ranjan Ray at 5 hospitals: Alta Bates Summit Medical Center, California Pacific Medical Center- Van Ness Campus, Novato Community Hospital, Peninsula Medical Center and Sutter Medical Center, Sacramento. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ranjan Ray see patients?
- Medicare's clinician data lists 1 practice location in Palo Alto, CA. Call before your visit to confirm the address.
- What is Ranjan Ray's specialty?
- Medicare lists Advanced Heart Failure and Transplant Cardiology as the primary specialty, and also Cardiovascular Disease (Cardiology) and Internal Medicine.
- Does Ranjan Ray accept Medicare assignment?
- Yes. Medicare's clinician data says Ranjan Ray accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Ranjan Ray offer telehealth?
- Medicare's clinician data says Ranjan Ray offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Ranjan Ray?
- (415) 600-1020, as listed in official Medicare / NPI Registry data.
- What is Ranjan Ray's NPI number?
- 1033376017. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ranjan Ray works
Medicare's Facility Affiliation Data lists Ranjan Ray at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Alta Bates Summit Medical CenterOakland, CA · Acute Care Hospital · CCN 050043
- California Pacific Medical Center- Van Ness CampusSan Francisco, CA · Acute Care Hospital · CCN 050047
- Novato Community HospitalNovato, CA · Acute Care Hospital · CCN 050131
- Peninsula Medical CenterBurlingame, CA · Acute Care Hospital · CCN 050007
- Sutter Medical Center, SacramentoSacramento, CA · Acute Care Hospital · CCN 050108
Practice locations
Addresses where Ranjan Ray is enrolled with Medicare (CMS data updated 2026-10-02).
- 795 El Camino RealPalo Alto, CA 94301 (415) 600‑1020
Group practices
Medicare enrollment lists Ranjan Ray as a member of this group (CMS data updated 2026-10-02).
- Sutter Bay Medical Foundation3,829 clinicians in the group
Specialties
- Advanced Heart Failure and Transplant Cardiologyprimary
- Cardiovascular Disease (Cardiology)also
- Internal Medicinealso
Find other Advanced Heart Failure and Transplant Cardiology doctors in California →
Other heart failure and transplant cardiologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
- Jared J. Herr, MD
- Daniel Bernstein, MD
- Michael X. Pham, MD
- Kambiz Ghafourian, MD
- Aria Dibiase, MD
- Santi Yarlagadda, MD
- Achilles V. Aiken, MD
- Jorge E. Silva Enciso, MD
All heart failure and transplant cardiologists in California →
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1033376017 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians