Quick answers
- Which hospitals does Ji Ae Yoon work at?
- Medicare's official clinician data lists Ji Ae Yoon at 2 hospitals: Clovis Community Medical Center and El Camino Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ji Ae Yoon see patients?
- Medicare's clinician data lists 3 practice locations, including Mountain View, CA, Clovis, CA and Fresno, CA. Call before your visit to confirm the address.
- What is Ji Ae Yoon's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Ji Ae Yoon accept Medicare assignment?
- Yes. Medicare's clinician data says Ji Ae Yoon 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 Ji Ae Yoon?
- (650) 940-7000, as listed in official Medicare / NPI Registry data.
- What is Ji Ae Yoon's NPI number?
- 1033539986. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ji Ae Yoon works
Medicare's Facility Affiliation Data lists Ji Ae Yoon at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Clovis Community Medical CenterClovis, CA · Acute Care Hospital · CCN 050492
- El Camino HealthMountain View, CA · Acute Care Hospital · CCN 050308
Practice locations
Addresses where Ji Ae Yoon is enrolled with Medicare (CMS data updated 2026-10-02).
- 2500 Grant RdMountain View, CA 94040 (650) 940‑7000
- 2755 Herndon AveClovis, CA 93611 (559) 324‑4000
- 2823 Fresno StFresno, CA 93721 (559) 459‑6000
Group practices
Medicare enrollment lists Ji Ae Yoon as a member of these groups (CMS data updated 2026-10-02).
- Community Health Partners504 clinicians in the group
- Quantum Bay Area Hospitalist Medical Group Inc60 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Mountain View
Clinicians with the same Medicare primary specialty in Mountain View, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2013 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033539986 |
| 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