Dr. Robert C. Allen
Vascular Surgery (Vascular Surgery Physician)
- Medicare participating
At a glance
- Medical school
- University of Tennessee, Hsc, College of Medicine (2010)
- Years since graduation
- 16
- In the NPI registry since
- 2009
- Medicare patients seen, 2024
- 286
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
- 2010Medical school: University of Tennessee, Hsc, College of Medicine
- 2009Registered with an NPI (national billing number; not a license date)
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
-
Vascular Surgery Physician primary
TN license 55885 -
Student in an Organized Health Care Education/Training Program
TN license 088001605 -
Surgery Physician
TN license 55885
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Johnson City Medical Center Johnson City, TN
- Wellmont Holston Valley Medical Center Kingsport, TN
Medical groups
- Wellmont Cardiology Services (139 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 286
- Services billed
- 528
- Patients’ average age
- 75
| Service | Times | Patients |
|---|---|---|
| Established patient office or other outpatient visit, 30-39 minutes | 130 | 102 |
| New patient office or other outpatient visit, 45-59 minutes | 63 | 63 |
| Ultrasound of both sides of head and neck blood flow | 53 | 53 |
| Ultrasound study of arm and leg arteries | 39 | 38 |
| Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts | 19 | 19 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 17 | 17 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Clopidogrel (clopidogrel bisulfate) Other prescribers in Kingsport, TN | 186 |
| Cilostazol Other prescribers in Kingsport, TN | 46 |
| Eliquis (apixaban) Other prescribers in Kingsport, TN | 16 |
| Xarelto (rivaroxaban) Other prescribers in Kingsport, TN | 13 |
| Rosuvastatin Calcium Other prescribers in Kingsport, TN | 13 |
| Hydrocodone-Acetaminophen (hydrocodone/acetaminophen) Other prescribers in Kingsport, TN | 12 |
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, 13 companies reported 52 payments worth $1,146 in total to this clinician.
| Atricure, Inc. | $224 |
|---|---|
| Shape Memory Medical Inc. | $198 |
| Medtronic, Inc. | $192 |
| Zoll Services LLC (a/k/a Zoll Lifecor Corp) | $134 |
| Cook Medical LLC | $124 |
| Surmodics, Inc. | $72.85 |
| Shockwave Medical, Inc | $48.55 |
| Abbott Laboratories | $40.11 |
| Food and Beverage | $1,126 |
|---|---|
| Travel and Lodging | $20.00 |
What the payments were for
| Company | What it was for | Amount |
|---|---|---|
| Cook Medical LLC Jan 23, 2025 | Travel and Lodging COOK · Aortic Intervention · travel to St Thomas, VI | $20.00 |
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.
Industry-funded research
Named as a principal investigator on 2 industry-funded studies in 2025, from 2 companies. The companies reported $36,941 in research payments for these studies, mostly to the institutions running them.
- TREO PAS
Bolton Medical Inc - A Comparison of the GORE VIABAHN VBX Balloon Expandable Endoprosthesis (VBX) to Bare Mental Stenting for Patients with Complex Iliac Occlusive Disease
W. L. Gore & Associates, Inc.
From CMS Open Payments research payments, where companies name up to five principal investigators per payment. Research payments usually go to hospitals, universities and research sites, not to the investigator personally. A payment is not evidence of wrongdoing.