Colonial
Payments companies reported to CMS as associated with Colonial. "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 Colonial, 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 Colonial
These are the largest totals companies reported as associated with Colonial. 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) |
|---|---|---|---|
| John Dorchak | Columbus, GA | Orthopaedic Surgery | $27,950.78 |
| Zachary Tempel | Cincinnati, OH | Neurological Surgery | $160.75 |
| Michael Kachmann | Cincinnati, OH | Neurological Surgery | $160.75 |
| William Tobler | Santa Clara, UT | Physician Assistant | $160.75 |
| Michelle Kachmann | Cincinnati, OH | Nurse Anesthetist, Certified Registered | $160.74 |
| Kara Rhoads | Cincinnati, OH | Physician Assistant | $160.74 |
| Rishi Lall | Galveston, TX | Neurological Surgery | $70.07 |
| Samuel Goldsmit | Miami, FL | Neurological Surgery | $63.49 |
| Erkan Alci | Conway, SC | Orthopaedic Surgery of The Spine | $60.27 |
| Sushil Basra | Commack, NY | Orthopaedic Surgery of The Spine | $52.61 |
Prescribed Colonial?
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.