Dr. Caitlin T. Demarest, M.D.
Cardiothoracic Surgery (Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician)
- Medicare participating
At a glance
- Years since graduation
- 15
- In the NPI registry since
- 2011
- Medicare patients seen, 2024
- 78
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
-
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician primary
TN license 63525 -
Student in an Organized Health Care Education/Training Program
MI license 4301117396
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Vanderbilt University Medical Center Nashville, TN
Medical groups
- Vanderbilt University Medical Center (3,567 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
- 78
- Services billed
- 165
- Patients’ average age
- 70
| Service | Times | Patients |
|---|---|---|
| New patient office or other outpatient visit, 60-74 minutes | 18 | 18 |
| Established patient office or other outpatient visit, 30-39 minutes | 15 | 14 |
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.
Payments from drug and device companies
In 2025, 2 companies reported 14 payments worth $29,324 in total to this clinician.
| Intuitive Surgical, Inc. | $28,025 |
|---|---|
| United Therapeutics Corporation | $1,299 |
| Education | $28,000 |
|---|---|
| Consulting Fee | $1,150 |
| Food and Beverage | $174 |
What the payments were for
| Company | What it was for | Amount |
|---|---|---|
| Intuitive Surgical, Inc. Oct 8, 2025 | Education Da Vinci Surgical System · SURGERY | $4,000 |
| Intuitive Surgical, Inc. Sep 26, 2025 | Education Da Vinci Surgical System · SURGERY | $4,000 |
| Intuitive Surgical, Inc. Oct 8, 2025 | Education Da Vinci Surgical System · SURGERY | $4,000 |
| Intuitive Surgical, Inc. Dec 26, 2025 | Education Da Vinci Surgical System · SURGERY | $4,000 |
| Intuitive Surgical, Inc. Nov 14, 2025 | Education Da Vinci Surgical System · SURGERY | $4,000 |
| Intuitive Surgical, Inc. Nov 14, 2025 | Education Da Vinci Surgical System · SURGERY | $2,000 |
| Intuitive Surgical, Inc. Nov 14, 2025 | Education Da Vinci Surgical System · SURGERY | $2,000 |
| Intuitive Surgical, Inc. Dec 26, 2025 | Education Da Vinci Surgical System · SURGERY | $2,000 |
| Intuitive Surgical, Inc. Oct 8, 2025 | Education Da Vinci Surgical System · SURGERY | $2,000 |
| United Therapeutics Corporation Jun 11, 2025 | Consulting Fee STEEN SOLUTION · Lung Transplant | $1,150 |
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 1 industry-funded study in 2025, from 1 company. The companies reported $100,000 in research payments for these studies, mostly to the institutions running them.
- Activity Monitoring in Pulmonary Hypertension
United Therapeutics Corporation · Active, not recruiting · NCT04101630
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.