Specialty Directory
Allergy & Immunology in Grand Rapids, MI
Federal CMS data for 4 allergy & immunology providers practicing in Grand Rapids, MI. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.
4
Providers
Median industry payments
$201
4
Allergy & Immunology Providers
in Grand Rapids, MI
$201
Median Industry Payments
per provider (2018–2024)
481
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.
Learn more →
Allergy & Immunology Providers
NPPES · Open Payments · Medicare| Provider | Medicare Volume | Beneficiaries* | Top Procedure | Industry Payments | Payment Type | Coverage |
|---|---|---|---|---|---|---|
| MILLAR, MARK M.D. | 1,687 | 240 | Allergy skin test | $163 (2018-2024) | Food & Beverage (93%) | Very High |
| UEKERT, SARA MD | 917 | 56 | Allergy immunotherapy preparation | $143 (2019-2024) | Food & Beverage (100%) | Very High |
| HARTOG, NICHOLAS M.D. | 45 | 24 | Office visit, established patient, complex (40-54 min) | $501,153 (2018-2024) | Honoraria (40%) | Very High |
| EASTMAN YAM, JACQUELINE MD | 43 | 43 | Office visit, established patient (20-29 min) | $239 (2022-2024) | Food & Beverage (100%) | 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.
By Practice Pattern
Allergy & Immunology encompasses multiple practice patterns. Comparing providers within the same pattern provides more meaningful context.
Mixed Practice (2)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| MILLAR, MARK | 1,687 | $163 |
| UEKERT, SARA | 917 | $143 |
Clinical Cardiology (2)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| HARTOG, NICHOLAS | 45 | $501,153 |
| EASTMAN YAM, JACQUELINE | 43 | $239 |