GlassScriptPhentolamine Mesylate
Payments companies reported to CMS as associated with Phentolamine Mesylate. "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 Phentolamine Mesylate, 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 Phentolamine Mesylate
These are the largest totals companies reported as associated with Phentolamine Mesylate. 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) |
|---|---|---|---|
| David Wirta | Newport Beach, CA | Ophthalmology | $1,800.00 |
| Sumitra Khandelwal | Houston, TX | Ophthalmology | $1,800.00 |
| Kenneth Beckman | Westerville, OH | Ophthalmology | $1,800.00 |
| Giacomina Massaro-Giordano | Philadelphia, PA | Cornea and External Diseases Specialist | $1,800.00 |
| Winston Chamberlain | Portland, OR | Cornea and External Diseases Specialist | $1,800.00 |
| Kelly Nichols | Birmingham, AL | Optometrist | $1,000.00 |
| Nathan Lighthizer | Tahlequah, OK | Optometrist | $850.00 |
| Justin Schweitzer | Sioux Falls, SD | Optometrist | $850.00 |
| Melissa Bollinger | Lake Villa, IL | Optometrist | $850.00 |
| Mile Brujic | Bowling Green, OH | Optometrist | $850.00 |
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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.