Quick answers
- Which hospitals does Loren Y. Chen work at?
- Medicare's official clinician data lists Loren Y. Chen at 1 hospital: Valley Presbyterian Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Loren Y. Chen see patients?
- Medicare's clinician data lists 1 practice location in North Hollywood, CA. Call before your visit to confirm the address.
- What is Loren Y. Chen's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Loren Y. Chen accept Medicare assignment?
- Yes. Medicare's clinician data says Loren Y. Chen 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 Loren Y. Chen's NPI number?
- 1972581643. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Loren Y. Chen works
Medicare's Facility Affiliation Data lists Loren Y. Chen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Valley Presbyterian HospitalVan Nuys, CA · Acute Care Hospital · CCN 050126
Practice locations
Addresses where Loren Y. Chen is enrolled with Medicare (CMS data updated 2026-10-02).
- 11631 Victory Blvd, Suite 101North Hollywood, CA 91606
Specialties
- Internal Medicineprimary
Other internal medicine doctors in North Hollywood
Clinicians with the same Medicare primary specialty in North Hollywood, CA — not a recommendation.
Clinician information
| Medical school | University Of California, Davis School Of Medicine |
|---|---|
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1972581643 |
| 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