Quick answers
- Where does Chongjia Chen see patients?
- Medicare's clinician data lists 2 practice locations, including Irvine, CA and Mission Viejo, CA. Call before your visit to confirm the address.
- What is Chongjia Chen's specialty?
- Medicare lists Allergy/Immunology as the primary specialty.
- Does Chongjia Chen accept Medicare assignment?
- Yes. Medicare's clinician data says Chongjia 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 Chongjia Chen?
- (949) 364-4361, as listed in official Medicare / NPI Registry data.
- What is Chongjia Chen's NPI number?
- 1285021618. 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 Chongjia Chen is enrolled with Medicare (CMS data updated 2026-10-02).
- 18 Endeavor, Suite 208Irvine, CA 92618 (949) 364‑4361
- 26726 Crown Valley Pkwy, Suite 200Mission Viejo, CA 92691 (949) 364‑4361
Group practices
Medicare enrollment lists Chongjia Chen as a member of this group (CMS data updated 2026-10-02).
- Head and Neck Associates of Orange County An Incorprate16 clinicians in the group
Specialties
- Allergy/Immunologyprimary
Other allergist and immunologists in Irvine
Clinicians with the same Medicare primary specialty in Irvine, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Alabama School Of Medicine |
| Graduation year | 2015 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1285021618 |
| 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