Quick answers
- Where does Ruby J. Chien see patients?
- Medicare's clinician data lists 1 practice location in Orange, CA. Call before your visit to confirm the address.
- What is Ruby J. Chien's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Ruby J. Chien accept Medicare assignment?
- Yes. Medicare's clinician data says Ruby J. Chien 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 Ruby J. Chien?
- (714) 456-7890, as listed in official Medicare / NPI Registry data.
- What is Ruby J. Chien's NPI number?
- 1417650227. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Ruby J. Chien is enrolled with Medicare (CMS data updated 2026-10-02).
- 101 the City Dr SOrange, CA 92868 (714) 456‑7890
Group practices
Medicare enrollment lists Ruby J. Chien as a member of this group (CMS data updated 2026-10-02).
- The Regents of the University of California-Irvine125 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Orange
Clinicians with the same Medicare primary specialty in Orange, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 2023 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1417650227 |
| 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
- 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