Dr. Daniel R. Calderon, M.D.
Vascular Surgery (Vascular Surgery Physician)
- Medicare participating
At a glance
- Years since graduation
- 15
- In the NPI registry since
- 2011
- Medicare patients seen, 2024
- 270
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
-
Vascular Surgery Physician primary
NC license MD458107 -
Surgery Physician
NC license MD458107
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Unc Hospitals Chapel Hill, NC
- UPMC Pinnacle Hospitals Harrisburg, PA
Medical groups
- University of North Carolina at Chapel Hill (2,052 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
- 270
- Services billed
- 532
- Patients’ average age
- 75
| Service | Times | Patients |
|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 65 | 38 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 60 | 59 |
| Review by radiologist of abdominal aorta image | 53 | 48 |
| Ultrasound of both sides of head and neck blood flow | 53 | 53 |
| Ultrasound study of one arm or leg veins with compression and maneuvers | 41 | 39 |
| Ultrasound study of arm or leg veins with compression and maneuvers | 37 | 37 |
| New patient office or other outpatient visit, 45-59 minutes | 32 | 32 |
| Review by radiologist of both arms or legs arteries image | 30 | 30 |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 27 | 25 |
| Review by radiologist of arm or leg artery image | 27 | 24 |
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 Chapel Hill, NC | 50 |
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, 8 companies reported 22 payments worth $939 in total to this clinician.
| W. L. Gore & Associates, Inc. | $382 |
|---|---|
| Medtronic, Inc. | $228 |
| Shockwave Medical, Inc | $111 |
| Stryker Corporation | $81.44 |
| Cook Medical LLC | $67.56 |
| Lemaitre Vascular, Inc. | $27.91 |
| Boston Scientific Corporation | $22.56 |
| Terumo Medical Corporation | $19.01 |
| Food and Beverage | $939 |
|---|
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 $3,790 in research payments for these studies, mostly to the institutions running them.
- Roadster 3
Boston Scientific Corporation
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.