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DR. CHONGJIA CLAIRE CHEN MD
NPI 1285021618
Allergy & Immunology in Irvine, CA

Active since April 23, 2015PECOS EnrolledAccepts Medicare Assignment
18 ENDEAVOR STE 208, IRVINE, CA 92618(949) 364-4361(949) 364-4361 Get Directions Write a Review

NPPES record last updated: April 1, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 1, 2026, May 8, 2019, Jul 23, 2018 (3 updates tracked since 2018).

About Dr. Chongjia Claire Chen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CHONGJIA CLAIRE CHEN MD (NPI 1285021618) is an individual allergy & immunology provider in Irvine, California, licensed in California (168418) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS and is a graduate of University Of Alabama School Of Medicine (2015).

NPPES Registry Identity

NPI1285021618
Entity TypeIndividualFemale
Primary Taxonomy207K00000X
Provider Legal NameDR. CHONGJIA CLAIRE CHENCredential: MD
Location Address18 ENDEAVOR STE 208Irvine, CA 92618-3181
Mailing Address26726 Crown Valley Pkwy Ste 200Mission Viejo, CA 92691-8003 · (949) 364-4361 · Fax (949) 364-4495
Phone(949) 364-4361
Fax(949) 364-4361
Sole ProprietorNo
Medical School CMSUniversity Of Alabama School Of MedicineGraduated 2015
Enumeration DateApril 23, 2015
Last NPPES UpdateApril 1, 20263 updates tracked since enumeration
NPPES CertifiedApril 1, 2026
✔ NPI 1285021618 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in CA · 168418
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
18 ENDEAVOR STE 208, Irvine, CA 92618
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Chongjia Claire Chen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3577870070
PECOS Enrollment IDI20241218004384
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Chongjia Chen's NPI number?

The NPI number for Chongjia Chen is 1285021618. It was assigned to this individual provider in the NPPES registry on April 23, 2015.

Where is Chongjia Chen located?

Chongjia Chen practices at 18 Endeavor Ste 208, Irvine, CA 92618. The listed phone number is (949) 364-4361.

What is Chongjia Chen's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Chongjia Chen enrolled in Medicare?

Yes. Chongjia Chen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Chongjia Chen was last updated on April 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.