Quick answers
- Which hospitals does Chi-Whei Lin work at?
- Medicare's official clinician data lists Chi-Whei Lin at 1 hospital: Memorialcare Saddleback Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Chi-Whei Lin see patients?
- Medicare's clinician data lists 1 practice location in Laguna Hills, CA. Call before your visit to confirm the address.
- What is Chi-Whei Lin's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Chi-Whei Lin accept Medicare assignment?
- Yes. Medicare's clinician data says Chi-Whei Lin 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 Chi-Whei Lin?
- (949) 716-4555, as listed in official Medicare / NPI Registry data.
- What is Chi-Whei Lin's NPI number?
- 1114057254. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Chi-Whei Lin works
Medicare's Facility Affiliation Data lists Chi-Whei Lin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Memorialcare Saddleback Medical CenterLaguna Hills, CA · Acute Care Hospital · CCN 050603
Practice locations
Addresses where Chi-Whei Lin is enrolled with Medicare (CMS data updated 2026-10-02).
- 23521 Paseo De Valencia, Suite 310Laguna Hills, CA 92653 (949) 716‑4555
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Laguna Hills
Clinicians with the same Medicare primary specialty in Laguna Hills, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Creighton University School Of Medicine |
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1114057254 |
| 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