Yi Feng Chen
NPI 1447518535ActiveIndividual· Allergy & Immunology· Bethlehem, PA
Allergy & Immunology in Bethlehem, Pennsylvania, trained at New York University School of Medicine (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $500,199 for 632 claims, against $75,855 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 21 companies reporting payments in 2025, $3,201 in all, mostly food and beverage.
Overview
| NPI | 1447518535 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 26, 2012 |
| Last updated in NPPES | Mar 26, 2024 |
| Certified by provider | Mar 26, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | MD483111 | PA |
| Allergy & Immunology | 207K00000X | 25MA11298200 | NJ |
| Allergy & Immunology | 207K00000X | 281143 | NY |
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 (NJ); Practitioner - Allergy/Immunology (NY); Practitioner - Allergy/Immunology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 217 |
|---|---|
| Services billed | 5,320 across 32 procedure codes |
| Paid by Medicare | $75,855 |
Part D prescriptions in 2024
| Prescriptions (claims) | 632 · 970 30-day fills |
|---|---|
| Patients | 189 |
| Total drug cost | $500,199 |
| Generic share | 68% of claims |
Education and affiliations
| Medical school | New York University School of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Allergy/Immunology |
Hospital affiliation
- St Lukes HospitalBethlehem, PA
Industry payments (Open Payments)
- 2025$3,201 · 132 payments from 21 companies
- 2024$2,679 · 121 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $782.08 | 39 |
| Genzyme Corporation | $488.62 | 16 |
| Ionis Pharmaceuticals, Inc. | $269.25 | 8 |
| Takeda Pharmaceuticals U.S.A., Inc. | $215.41 | 8 |
| Glaxosmithkline, LLC. | $201.26 | 10 |
What the 2025 payments were for
- Food and Beverage$3,093 · 130 payments
- Education$108.24 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Allergy & Immunology providers in Bethlehem
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