Chongjia Claire Chen, MD
NPI 1285021618ActiveIndividual· Allergy & Immunology· Irvine, CA
Allergy & Immunology (MD) in Irvine, California, trained at University of Alabama School of Medicine (class of 2015). Enrolled in Medicare as practitioner - allergy/immunology. Genzyme Corporation was the largest of 6 companies reporting payments in 2025, $635.65 in all, mostly food and beverage.
Overview
| NPI | 1285021618 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 23, 2015 |
| Last updated in NPPES | Apr 1, 2026 |
| Certified by provider | Apr 1, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | 168418 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Allergy/Immunology (CA) |
|---|
Education and affiliations
| Medical school | University of Alabama School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Allergy/Immunology |
Medical group
- Head and Neck Associates of Orange County An IncorprateLaguna Hills, CA · 16 clinicians
Industry payments (Open Payments)
- 2025$635.65 · 21 payments from 6 companies
- 2024$249.00 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $286.80 | 9 |
| Glaxosmithkline, LLC. | $232.81 | 7 |
| Ars Pharmaceuticals Operations, Inc. | $46.24 | 2 |
| Novartis Pharmaceuticals Corporation | $32.67 | 1 |
| Takeda Pharmaceuticals U.S.A., Inc. | $23.08 | 1 |
What the 2025 payments were for
- Food and Beverage$635.65 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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