Quick answers
- Which hospitals does Chloe Y. Sumner work at?
- Medicare's official clinician data lists Chloe Y. Sumner at 1 hospital: Santa Clara Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Chloe Y. Sumner see patients?
- Medicare's clinician data lists 1 practice location in San Jose, CA. Call before your visit to confirm the address.
- What is Chloe Y. Sumner's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Chloe Y. Sumner accept Medicare assignment?
- Yes. Medicare's clinician data says Chloe Y. Sumner 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 Chloe Y. Sumner?
- (408) 885-5000, as listed in official Medicare / NPI Registry data.
- What is Chloe Y. Sumner's NPI number?
- 1922793009. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Chloe Y. Sumner works
Medicare's Facility Affiliation Data lists Chloe Y. Sumner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Santa Clara Valley Medical CenterSan Jose, CA · Acute Care Hospital · CCN 050038
Practice locations
Addresses where Chloe Y. Sumner is enrolled with Medicare (CMS data updated 2026-10-02).
- 751 S Bascom Ave, Santa Clara Vly MedSan Jose, CA 95128 (408) 885‑5000
Group practices
Medicare enrollment lists Chloe Y. Sumner as a member of this group (CMS data updated 2026-10-02).
- County of Santa Clara1,022 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
| Graduation year | 2023 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922793009 |
| 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