Quick answers
- Which hospitals does Yien Chiong work at?
- Medicare's official clinician data lists Yien Chiong at 5 hospitals: Bay Area Hospital, Lower Umpqua Hospital District, McKenzie-Willamette Medical Center, Mercy Medical Center and Peace Harbor Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Yien Chiong see patients?
- Medicare's clinician data lists 1 practice location in Eugene, OR. Call before your visit to confirm the address.
- What is Yien Chiong's specialty?
- Medicare lists Endocrinology as the primary specialty.
- Does Yien Chiong accept Medicare assignment?
- Yes. Medicare's clinician data says Yien Chiong 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.
- Does Yien Chiong offer telehealth?
- Medicare's clinician data says Yien Chiong offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Yien Chiong?
- (541) 345-0600, as listed in official Medicare / NPI Registry data.
- What is Yien Chiong's NPI number?
- 1205068012. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Yien Chiong works
Medicare's Facility Affiliation Data lists Yien Chiong at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bay Area HospitalCoos Bay, OR · Acute Care Hospital · CCN 380090
- Lower Umpqua Hospital DistrictReedsport, OR · Critical Access Hospital · CCN 381311
- McKenzie-Willamette Medical CenterSpringfield, OR · Acute Care Hospital · CCN 380020
- Mercy Medical CenterRoseburg, OR · Acute Care Hospital · CCN 380027
- Peace Harbor Medical CenterFlorence, OR · Critical Access Hospital · CCN 381316
Practice locations
Addresses where Yien Chiong is enrolled with Medicare (CMS data updated 2026-10-02).
- 600 Country Club RdEugene, OR 97401 (541) 345‑0600
Group practices
Medicare enrollment lists Yien Chiong as a member of this group (CMS data updated 2026-10-02).
- Oregon Healthcare Resources LLC159 clinicians in the group
Specialties
- Endocrinologyprimary
Other endocrinologists in Eugene
Clinicians with the same Medicare primary specialty in Eugene, OR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2009 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1205068012 |
| 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