Specialty Directory
Allergy & Immunology in Glen Carbon, IL
Federal CMS data for 1 allergy & immunology provider practicing in Glen Carbon, IL. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.
1
Providers
Median industry payments
$19,130
1
Allergy & Immunology Providers
in Glen Carbon, IL
$19,130
Median Industry Payments
per provider (2018–2024)
3,534
Median Medicare Services
fee-for-service claims
How to read this directory: Providers are listed by Medicare service volume, which reflects only
Medicare fee-for-service patients (typically 65+). This does not represent total practice volume.
Industry payments span multiple years and payment types — they are legal and do not indicate wrongdoing.
Allergy & Immunology includes multiple subspecialties with different practice patterns.
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Allergy & Immunology Providers
NPPES · Open Payments · Medicare| Provider | Medicare Volume | Beneficiaries* | Top Procedure | Industry Payments | Payment Type | Coverage |
|---|---|---|---|---|---|---|
| ZEFFREN, BARRY MD | 3,534 | 265 | Allergy skin test | $19,130 (2018-2024) | Consulting (86%) | Very High |
Note: Allergy & Immunology encompasses multiple subspecialties with different practice patterns.
Differences in payment amounts and procedure volumes may reflect subspecialty focus
rather than practice quality. Consider viewing individual profiles for full context.