Quick answers
- Which hospitals does Christopher S. Choo work at?
- Medicare's official clinician data lists Christopher S. Choo at 5 hospitals: El Camino Health, Good Samaritan Hospital, Santa Clara Valley Medical Center, Stanford Health Care and Watsonville Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Christopher S. Choo see patients?
- Medicare's clinician data lists 4 practice locations, including San Jose, CA. Call before your visit to confirm the address.
- What is Christopher S. Choo's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Christopher S. Choo accept Medicare assignment?
- Yes. Medicare's clinician data says Christopher S. Choo 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 Christopher S. Choo?
- (408) 259-5000, as listed in official Medicare / NPI Registry data.
- What is Christopher S. Choo's NPI number?
- 1063946267. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Christopher S. Choo works
Medicare's Facility Affiliation Data lists Christopher S. Choo 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
- Good Samaritan HospitalSan Jose, CA · Acute Care Hospital · CCN 050380
- Santa Clara Valley Medical CenterSan Jose, CA · Acute Care Hospital · CCN 050038
- Stanford Health CareStanford, CA · Acute Care Hospital · CCN 050441
- Watsonville Community HospitalWatsonville, CA · Acute Care Hospital · CCN 050194
Practice locations
Addresses where Christopher S. Choo is enrolled with Medicare (CMS data updated 2026-10-02).
- 225 N Jackson AveSan Jose, CA 95116 (408) 259‑5000
- 2425 Samaritan DrSan Jose, CA 95124 (408) 559‑2011
- 751 S Bascom AveSan Jose, CA 95128 (408) 885‑5000
- 751 S Bascom Ave, Santa Clara Vly MedSan Jose, CA 95128 (408) 885‑5000
Group practices
Medicare enrollment lists Christopher S. Choo as a member of these groups (CMS data updated 2026-10-02).
- County of Santa Clara1,022 clinicians in the group
- Quantum Bay Area Hospitalist Medical Group Inc60 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in San Jose
Clinicians with the same Medicare primary specialty in San Jose, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Minnesota Medical School |
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1063946267 |
| 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