Medicare Enrolled
Dr. Daniel Calderon, M.D.
Vascular Surgery Physician · Chapel Hill, NC
Practice pattern: Mixed Practice
— Diverse clinical practice across multiple procedure types
Very High
DATA COVERAGE
Data in 4 of 4 federal sources
Measures public federal data availability — not provider quality
Informational, not a quality rating.
This page presents federal public records about Dr. Calderon from CMS (NPPES, Open Payments, Medicare Provider Utilization, PECOS). It is not medical advice, an endorsement, or a judgment of clinical quality. Always consult the provider directly and a licensed clinician for medical decisions. Read methodology →
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What this data tells you about Dr. Calderon
Dr. Daniel Calderon is a vascular surgery physician in Chapel Hill, NC, with 15 years of NPI registration. Based on federal Medicare data, Dr. Calderon performed 535 Medicare services in 2023. These records do not provide a deduplicated patient total.
Between the years covered by Open Payments, Dr. Calderon received a total of $8,900 from 19 pharmaceutical and/or device companies across 148 payment records. A record can group multiple payments. These transfers are publicly reported through CMS Open Payments. Disclosure alone does not establish their effect on care. A reliable breakdown by payment category is not available in this snapshot. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Calderon is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
✓ 15 years of NPI registration
▲ 535 Medicare services
$8,900 industry payments
Medicare Practice Summary — 2023
Medicare Utilization ↗535
Medicare services
Bottom 37% in NC for vascular surgery physician
Lower Medicare volume may reflect subspecialty focus, hospital-based work, or a higher share of non-Medicare patients.
Not available
Unique patients (not deduplicated)
$100
Avg. Medicare payment
Medicare patients only (65+ / disabled) · How to read this →
Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Hospital follow-up visit, moderate complexity Follow-up hospital visit for an existing patient involving moderate medical decision making. The visit requires at least 35 minutes of time spent on the date of service. |
65 | $62 | $168 |
| Initial hospital admission, moderate complexity Initial hospital inpatient or observation care for a new patient involving moderate-level medical decision making, with at least 55 minutes total time on the date of the encounter. |
60 | $98 | $358 |
| Radiologist review of abdominal aorta image A radiologist reviews images of the abdominal aorta to evaluate the blood vessel. |
53 | $51 | $119 |
| Ultrasound of head and neck blood flow, bilateral An ultrasound exam that uses sound waves to visualize and assess blood flow in the vessels of both the head and the neck. |
53 | $28 | $96 |
| Ultrasound of arm or leg veins An ultrasound exam of the veins in one arm or leg using compression and other maneuvers to assess blood flow and check for blockages. |
41 | $15 | $49 |
| Ultrasound of arm or leg veins An ultrasound exam of the veins in the arm or leg. The test uses sound waves to check blood flow and may include compression and other maneuvers. |
37 | $26 | $86 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
32 | $115 | $376 |
| Radiologist review of arm or leg artery images A radiologist reviews images of the arteries in one or both arms or legs to assess blood flow and vessel health. |
30 | $72 | $162 |
| Balloon dilation of leg artery A procedure to widen a narrowed or blocked artery in the leg using a balloon catheter to restore blood flow. |
27 | $289 | $3,846 |
| Radiologist review of arm or leg artery image A radiologist reviews images of the arteries in the arm or leg. This process involves analyzing the visual data to assess the blood vessels. |
27 | $62 | $147 |
| Sedation by physician, initial 15 minutes Administration of a drug to induce depression of consciousness by the physician performing a procedure. This code covers the initial 15 minutes of sedation for patients aged 5 years or older. |
27 | $10 | $63 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
17 | $99 | $251 |
| Balloon angioplasty of leg artery, initial vessel A procedure to widen a narrowed or blocked artery in the leg using a balloon catheter. This is performed on the first vessel treated during the session. |
16 | $404 | $5,459 |
| New patient office visit, complex (60-74 min) | 14 | $171 | $450 |
| Arterial catheter insertion, initial second order branch A procedure to insert a tube into a secondary branch of an artery in the abdomen, pelvis, or leg. |
12 | $186 | $1,270 |
| Neck artery stent insertion with clot protection A procedure to place a stent in a neck artery to keep it open, using a device to protect against blood clots during the process. A radiologist reviews the procedure. |
12 | $748 | $2,414 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
12 | $64 | $178 |
How to read this data: This reflects Medicare patients only (typically 65+). Payment amounts are what Medicare paid the provider, not your out-of-pocket cost. These counts do not measure clinical quality or years of experience.
4.5% high complexity
24.5% medium
71.0% routine
Industry Payment Transparency
Open Payments through 2024 ↗$8,900
Total received (2018-2024)
Avg $1,271/year across 7 years
Top 24% in NC for vascular surgery physician
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
19
Companies
148
Payment records
Payments are publicly reported; disclosure does not establish legality · Not evidence of wrongdoing · How to interpret →
Payment categories are unavailable while the source breakdown is being rebuilt. Company and year totals do not identify how much belongs to each category.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
2024
$4,102
2023
$1,031
2022
$1,784
2021
$513
2020
$172
2019
$1,119
2018
$180
Payments by company (2024)
Penumbra, Inc.
$1,075
Medtronic, Inc.
$1,003
W. L. Gore & Associates, Inc.
$758
ShockWave Medical, Inc
$490
Silk Road Medical, Inc.
$421
Terumo Medical Corporation
$188
Janssen Pharmaceuticals, Inc
$129
Bard Peripheral Vascular, Inc.
$21
Philips North America LLC
$18
Top 3 companies account for 69.1% of 2024 payments
All-time payments by company (2018-2024) ›
Silk Road Medical, Inc.
$2,089
Medtronic, Inc.
$1,914
W. L. Gore & Associates, Inc.
$1,758
Penumbra, Inc.
$1,075
ShockWave Medical, Inc
$578
Medtronic Vascular, Inc.
$313
Shockwave Medical, Inc
$211
Terumo Medical Corporation
$188
BARD PERIPHERAL VASCULAR, INC.
$185
Janssen Pharmaceuticals, Inc
$153
Janssen Scientific Affairs, LLC
$130
LimFlow Inc.
$94
KCI USA, Inc
$69
Bioventus LLC
$41
Tactile Systems Technology Inc
$24
Covidien LP
$22
Bard Peripheral Vascular, Inc.
$21
Philips North America LLC
$18
Maquet Cardiovascular U.S. Sales, L.L.C.
$15
Top 3 companies account for 64.7% of all-time payments
Associated products mentioned in payments ›
(BR5) Peripheral IVUS · ABRE · AZUR CX DETACHABLE · CHOCOLATE PTA BALLOON CATHETER · Crosser iQ · ENDURANT IIS · ENHANCE Transcarotid Peripheral Access Kit · ENROUTE Enflate Transcarotid RX Balloon Dilatation Catheter · ENROUTE Transcarotid Neuroprotection System · ENROUTE Transcarotid Stent · EXCLUDER Conformable AAA Endoprosthesis with Active Control · Endurant · FLIXENE · Flexitouch Plus · GLIDEWIRE · GORE PROPATEN Vascular Graft · GORE TAG Thoracic Endoprosthesis · GORE VIABAHN Endoprosthesis · GORE VIABAHN Endoprosthesis with Heparin · GORE VIABAHN VBX Balloon Expandable Endo · HAWKONE · IN.PACT ADMIRAL · IN.PACT AV · Indigo System · LIMFLOW SYSTEM · LUTONIX · PREVENA · Penumbra System · SHOCKWAVE IVL SYSTEM WITH THE SHOCKWAVE C2 CORONARY IVL CATHETER · SPIDERFX · Shockwave IVL System with the Shockwave C2 Coronary IVL Catheter · Surgipro · TURBOHAWK · ULTRASCORE · VALIANT NAVION · XARELTO
Should you be concerned? Industry payments are disclosed through CMS Open Payments. Disclosure alone does not establish their purpose, legality, or effect on care. What matters is whether a recommended drug or device appears in your doctor's payment records. If so, consider asking your doctor about it. How to interpret this data →
Geographic Context
Vascular surgery physicians in nearby ZIP areas
17
County median income
$88,553
Nearest hospital to ZIP centroid (approximate)
UNC HOSPITALS
4.3 mi
4.3 mi
Data Sources
| Provider Registry | ✓ NPPES | NPPES snapshot; verify current record |
| Medicare Enrollment | ✓ PECOS | PECOS snapshot |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not included | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Calderon is a mixed practice specialist, with moderate Medicare volume, with 15 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
Is Dr. Calderon experienced with hospital follow-up visit, moderate complexity?
Based on Medicare claims data, Dr. Calderon performed 65 hospital follow-up visit, moderate complexity services. These records cover Medicare fee-for-service activity, including eligible younger beneficiaries; they do not measure total practice volume or clinical quality.
Does Dr. Calderon receive payments from pharmaceutical companies?
Yes. Dr. Calderon received a total of $8,900 from 19 companies across 148 payment records. A record can group multiple payments. These transfers are publicly disclosed through CMS Open Payments. Disclosure alone does not establish their legality or effect on care. Patients may wish to ask their doctor about these relationships, especially if a recommended drug or device appears in the payment records.
How do Dr. Calderon's costs compare to other vascular surgery physicians in Chapel Hill?
Dr. Calderon's average Medicare payment per service is $100. Note that these figures represent what Medicare pays, not your out-of-pocket cost, which depends on your specific insurance plan and deductible. Procedure-level data above shows both what was submitted and what Medicare paid for each service type.
What does Data Coverage mean?
Data Coverage (currently Very High for Dr. Calderon) measures how much public federal data is available about a provider. It is not a quality rating. A "Very High" or "High" level means the provider has data across multiple federal sources (NPPES, PECOS, Medicare Utilization, Open Payments), indicating the presence of registry, enrollment, activity or payment records, not verified experience or clinical quality. A "Low" or "Moderate" level may simply mean the provider is newer, does not see Medicare patients, or has not received any industry payments — none of which are inherently negative. Read our full methodology →
Is this data up to date?
Source publication dates and the snapshots loaded on this site can differ. Rebuilding a page does not refresh its source records. Check the Medicare reporting year and the payment interval shown above; consult the linked official sources for newer releases and current registry details. See our data freshness policy →
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About this page
This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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