Quick answers
- Which hospitals does Alexander Chien work at?
- Medicare's official clinician data lists Alexander Chien at 1 hospital: Redlands Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alexander Chien see patients?
- Medicare's clinician data lists 2 practice locations, including Redlands, CA and Brentwood, TN. Call before your visit to confirm the address.
- What is Alexander Chien's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Alexander Chien accept Medicare assignment?
- Yes. Medicare's clinician data says Alexander 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 Alexander Chien?
- (909) 335-5593, as listed in official Medicare / NPI Registry data.
- What is Alexander Chien's NPI number?
- 1255313318. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alexander Chien works
Medicare's Facility Affiliation Data lists Alexander Chien at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Redlands Community HospitalRedlands, CA · Acute Care Hospital · CCN 050272
Practice locations
Addresses where Alexander Chien is enrolled with Medicare (CMS data updated 2026-10-02).
- 350 Terracina BlvdRedlands, CA 92373 (909) 335‑5593
- 750 Old Hickory Blvd, Suite 1 260Brentwood, TN 37027 (615) 376‑7500
Group practices
Medicare enrollment lists Alexander Chien as a member of these groups (CMS data updated 2026-10-02).
- Darin Rentz DO PC124 clinicians in the group
- Imaging Specialists PLLC39 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Redlands
Clinicians with the same Medicare primary specialty in Redlands, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Michigan Medical School |
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255313318 |
| 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