Chongjia C. Chen, MD
Listed as an allergist, with 2 practice addresses in Irvine and Mission Viejo, California.
Practice locations 2
Head and Neck Associates of Orange County An Incorprate
18 Endeavor, Suite 208
Irvine, CA 92618Head and Neck Associates of Orange County An Incorprate
26726 Crown Valley Pkwy, Suite 200
Mission Viejo, CA 92691
From the records
- Specialty
- Allergist
- Records
- Medicare records: allergy/immunology (October 2026).
- Medicare
- Accepts the Medicare-approved amount as payment in full (Medicare assignment), according to CMS’s file. This applies to Original Medicare; Medicare Advantage plans have their own networks. What assignment means
- Medical school
- University of Alabama School of Medicine, graduated 2015 (Medicare records)
- Registry record
- Last updated April 2026
- NPI
- 1285021618 (national provider registry)
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From CMS’s Doctors and Clinicians file (October 2026) and the national provider registry, NPPES (October 2026). Listings are free and in alphabetical order; we don’t rate or recommend doctors. How we list doctors