Quick answers
- Where does Jian Chen see patients?
- Medicare's clinician data lists 3 practice locations, including Fullerton, CA, Chino Hills, CA and Apple Valley, CA. Call before your visit to confirm the address.
- What is Jian Chen's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Jian Chen accept Medicare assignment?
- Yes. Medicare's clinician data says Jian 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 Jian Chen?
- (714) 871-3006, as listed in official Medicare / NPI Registry data.
- What is Jian Chen's NPI number?
- 1841633617. 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 Jian Chen is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 E Valencia Mesa Dr, Suite 105Fullerton, CA 92835 (714) 871‑3006
- 15855 Pomona Rincon Rd, Bldg 4Chino Hills, CA 91709 (909) 929‑2511
- 19333 Bear Valley RdApple Valley, CA 92308
Group practices
Medicare enrollment lists Jian Chen as a member of this group (CMS data updated 2026-10-02).
- Providence Medical Foundation1,466 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Fullerton
Clinicians with the same Medicare primary specialty in Fullerton, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841633617 |
| 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