Robert B. Semtner, DDS
Dentists (general) (General Practice Dentistry)
At a glance
- In the NPI registry since
- 2011
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2011Registered with an NPI (national billing number; not a license date)
Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
General Practice Dentistry primary
VA license 0401410195
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Amoxicillin Other prescribers in Roanoke, VA | 55 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 2 companies reported 2 payments worth $318 in total to this clinician.
| American Medical & Dental Supplies,inc. | $300 |
|---|---|
| Solventum Corporation | $17.83 |
| Gift | $300 |
|---|---|
| Food and Beverage | $17.83 |
What the payments were for
| Company | What it was for | Amount |
|---|---|---|
| American Medical & Dental Supplies,inc. Dec 31, 2025 | Gift | $300 |
Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.