Yongxin Chen, M.D.
NPI 1801899737ActiveIndividual· Allergy & Immunology· Katy, TX
Allergy & Immunology (M.D.) in Katy, Texas, trained at State University of New York at Buffalo School of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $161,366 for 1,098 claims, against $92,143 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 15 companies reporting payments in 2025, $2,444 in all, mostly food and beverage.
Overview
| NPI | 1801899737 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 24, 2005 |
| Last updated in NPPES | Apr 23, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | K8070 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Allergy/Immunology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 182 |
|---|---|
| Services billed | 9,570 across 27 procedure codes |
| Paid by Medicare | $92,143 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,098 · 1,712 30-day fills |
|---|---|
| Patients | 233 |
| Total drug cost | $161,366 |
| Generic share | 71% of claims |
Education and affiliations
| Medical school | State University of New York at Buffalo School of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Allergy/Immunology |
| Telehealth | Offers telehealth |
Medical group
- Southwest Asthma and Allergy AssociatesPearland, TX · 9 clinicians
Industry payments (Open Payments)
- 2025$2,444 · 133 payments from 15 companies
- 2024$1,713 · 101 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $539.54 | 45 |
| Glaxosmithkline, LLC. | $518.15 | 35 |
| Genzyme Corporation | $307.39 | 13 |
| Genentech USA, Inc. | $216.59 | 9 |
| Novartis Pharmaceuticals Corporation | $191.61 | 8 |
What the 2025 payments were for
- Food and Beverage$2,410 · 132 payments
- Education$34.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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