X-Tra Base
Payments companies reported to CMS as associated with X-Tra Base. "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 X-Tra Base, 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 X-Tra Base
These are the largest totals companies reported as associated with X-Tra Base. 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) |
|---|---|---|---|
| Lauren Harrison | Carrboro, NC | General Practice (Dentist) | $47.34 |
| Rachel Thompson | Burlington, NC | Dentist | $47.34 |
| Sabrina Porcher Fennell | Chapel Hill, NC | Dental Public Health | $47.34 |
| Andrew Wang | Olympia Fields, IL | Dentist | $35.25 |
| Ann Mazzotti | Homewood, IL | General Practice (Dentist) | $35.25 |
| Carter Waller | Fredericksburg, VA | General Practice (Dentist) | $30.50 |
| Jean Edderai | North Miami Beach, FL | Dentist | $27.57 |
| Joshua Ishal | Astoria, NY | Dentist | $24.54 |
| Malia Thao | Middleton, WI | Dentist | $20.63 |
| Omar Armstrong | Jersey City, NJ | Dentist | $20.41 |
Prescribed X-Tra Base?
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.