Grengloo
Payments companies reported to CMS as associated with Grengloo. "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 Grengloo, 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 Grengloo
These are the largest totals companies reported as associated with Grengloo. 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) |
|---|---|---|---|
| Brian Kerr | Scranton, PA | Orthodontics and Dentofacial Orthopedics | $33.70 |
| William Petty | Oak Lawn, IL | Orthodontics and Dentofacial Orthopedics | $31.03 |
| Kathryn Bielik | Oak Lawn, IL | Orthodontics and Dentofacial Orthopedics | $31.03 |
| Brent Lamm | Colorado Springs, CO | Orthodontics and Dentofacial Orthopedics | $22.78 |
| Brian Schafer | Chapel Hill, NC | Dentist | $22.33 |
| Amol Shah | Chapel Hill, NC | Dentist | $22.33 |
| John Nelson | Chapel Hill, NC | Orthodontics and Dentofacial Orthopedics | $22.33 |
| Julia Tobin | Chapel Hill, NC | $22.33 | |
| Bethany Doolittle | Chapel Hill, NC | Dentist | $22.33 |
| Sally Claassen | Colorado Springs, CO | Orthodontics and Dentofacial Orthopedics | $20.35 |
Prescribed Grengloo?
See what its makers reported for your doctor. Two steps, private, no account.
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.