Quick answers
- Which hospitals does Steven G. Xanthopoulos work at?
- Medicare's official clinician data lists Steven G. Xanthopoulos at 1 hospital: El Camino Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Steven G. Xanthopoulos see patients?
- Medicare's clinician data lists 2 practice locations, including Mountain View, CA and Los Gatos, CA. Call before your visit to confirm the address.
- What is Steven G. Xanthopoulos's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Steven G. Xanthopoulos accept Medicare assignment?
- Yes. Medicare's clinician data says Steven G. Xanthopoulos 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.
- What is the phone number for Steven G. Xanthopoulos?
- (650) 940-7000, as listed in official Medicare / NPI Registry data.
- What is Steven G. Xanthopoulos's NPI number?
- 1588736573. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Steven G. Xanthopoulos works
Medicare's Facility Affiliation Data lists Steven G. Xanthopoulos at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- El Camino HealthMountain View, CA · Acute Care Hospital · CCN 050308
Practice locations
Addresses where Steven G. Xanthopoulos is enrolled with Medicare (CMS data updated 2026-10-02).
- 2500 Grant RdMountain View, CA 94040 (650) 940‑7000
- 815 Pollard RdLos Gatos, CA 95032 (408) 378‑6131
Group practices
Medicare enrollment lists Steven G. Xanthopoulos as a member of this group (CMS data updated 2026-10-02).
- El Camino Anesthesia62 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Mountain View
Clinicians with the same Medicare primary specialty in Mountain View, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588736573 |
| 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