Neffy
Payments companies reported to CMS as associated with Neffy. "Associated with" is CMS's wording: it links a payment to a product without saying the money was spent on it.
By year
Payments reported as associated with Neffy, per program year, as reported to CMS.
Who makes it
Specialties most often involved
Where the associated payments went, by the receiving clinician's specialty.
Clinicians most associated with Neffy
These are the largest totals companies reported as associated with Neffy. They are typically speaking or consulting arrangements, which companies must report by law; appearing here is not evidence of anything improper.
| Clinician | Location | Specialty | Associated payments (2023-2025) |
|---|---|---|---|
| Matthew Greenhawt | Aurora, CO | Pediatric Allergy/Immunology | $153,584.35 |
| David Golden | Baltimore, MD | Allergy | $100,712.73 |
| Raffi Tachdjian | Santa Monica, CA | Allergy & Immunology | $85,336.62 |
| Maeve Oconnor | Charlotte, NC | Allergy & Immunology | $71,103.89 |
| Vandana Patel | Charlotte, NC | Allergy & Immunology | $69,412.10 |
| Sakina Bajowala | North Aurora, IL | Allergy & Immunology | $66,156.46 |
| Todd Hrabak | Glendale, AZ | Allergy | $62,695.23 |
| Joyce Rabbat | Maywood, IL | Allergy & Immunology | $58,705.12 |
| Ellen Sher | Ocean, NJ | Allergy & Immunology | $53,401.67 |
| William Mccann | Asheville, NC | Allergy & Immunology | $44,918.96 |
Prescribed Neffy?
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Source: CMS Open Payments, program years 2019-2025, as reported to CMS by drug and device makers (published June 30, 2026). Drug and device detail covers 2023-2025.