Quick answers
- Where does Joseph A. Chen see patients?
- Medicare's clinician data lists 2 practice locations, including Cerritos, CA and Torrance, CA. Call before your visit to confirm the address.
- What is Joseph A. Chen's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Joseph A. Chen accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph A. 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 the phone number for Joseph A. Chen?
- (800) 829-8660, as listed in official Medicare / NPI Registry data.
- What is Joseph A. Chen's NPI number?
- 1780002550. 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 Joseph A. Chen is enrolled with Medicare (CMS data updated 2026-10-02).
- 17315 Studebaker Rd, Suite 101Cerritos, CA 90703 (800) 829‑8660
- 5315 Torrance Blvd, Suite B1Torrance, CA 90503 (800) 829‑8660
Group practices
Medicare enrollment lists Joseph A. Chen as a member of this group (CMS data updated 2026-10-02).
- CP La County S-Ca Hospice, LLC7 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Cerritos
Clinicians with the same Medicare primary specialty in Cerritos, CA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Medical school | Johns Hopkins University School Of Medicine |
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780002550 |
| 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