Spetzler-Malis
Payments companies reported to CMS as associated with Spetzler-Malis. "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 Spetzler-Malis, 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 Spetzler-Malis
These are the largest totals companies reported as associated with Spetzler-Malis. 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) |
|---|---|---|---|
| Jasvinder Nangiana | Los Angeles, CA | Neurological Surgery | $12,000.00 |
| Walavan Sivakumar | Torrance, CA | Neurological Surgery | $7,881.01 |
| Griffin Baum | Tallahassee, FL | Neurological Surgery | $7,800.00 |
| Bradford Mullin | Westerville, OH | Neurological Surgery | $7,425.00 |
| David Mccracken | Atlanta, GA | Neurological Surgery | $5,500.00 |
| Shaan Raza | Houston, TX | Neurological Surgery | $5,287.50 |
| Erin Mckean | Ann Arbor, MI | Otolaryngology | $4,250.00 |
| Justin Singer | Grand Rapids, MI | Neurological Surgery | $2,025.00 |
| Daniel Prevedello | Columbus, OH | Neurological Surgery | $1,575.00 |
| Constantinos Hadjipanayis | Pittsburgh, PA | Neurological Surgery | $900.00 |
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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.